Browse Topic: Fasteners

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UNIQUE HYBRID PANORAMIC HEADLINER CLIP WITH HIGH TOLERANCE TO REPLACE DUAL LOCK FASTENERS2026-26-0299To be published on 01/16/2026
Mounting strategies for vehicles with panoramic sunroofs remains a challenge owing to its high complexity to balance cost, performance and assembly efficiency. Achieving efficient and reliable headliner mounting solutions is one of the conundrums where cost optimization must go together with uncompromised performance. Traditional methods like Dual Lock Fasteners (DLFs), have set high benchmarks for robustness but at the cost of increased manufacturing complexity and expense. In pursuit of a more economical and production-friendly alternative, various plastic clip designs were explored. However, these solutions posed significant challenges during validation due to the stringent requirements for mounting feasibility, tolerance management, and long-term durability This paper introduces a novel hybrid plastic-metal clip solution that addresses those challenges comprehensively. The new design achieves precise tolerance control, ensuring reliable headliner installation under varying Body-in
D, GOWTHAM, Kumarasamy, Raj Ganesh, Shoeb, Mohd, Chauhan, Aarti
Optimizing Suspension Joint Reliability: Overcoming Bolt Loosening and Torque Variability in Automotive Production2026-26-0492To be published on 01/16/2026
In modern automotive manufacturing, ensuring the integrity of suspension joints under real-world driving conditions is a critical aspect of vehicle safety and performance. These joints endure substantial transverse loads and large vibrations due to irregular road surfaces, dynamic manoeuvres, and varying environmental factors. As a result, bolt loosening becomes a significant concern, compromising joint integrity and overall vehicle reliability. This paper delves into the challenges associated with maintaining joint integrity, specifically focusing on pre-load determination, torque application, and production-related issues. The pre-load generated during torquing is the primary factor that ensures a suspension joint remains securely fastened under dynamic road conditions. This pre-load is derived using road load data acquisition (RLDA) inputs, which capture the forces acting on the joint during actual driving scenarios. RLDA inputs provide critical insights into the forces experienced
Kumar, Sabeesh, Vasant Kumar, Jesse Daniel, Mishra, Harshit, Senthil Raja, T, NAYAK, Bhargav, M, Sudhan, NAMANI, Prasad, Vibhute, Shekhar
AI-Driven Predictive Methodology for Bolt Integrity in Vehicle Durability Testing2026-26-0648To be published on 01/16/2026
The application of AI/ML techniques to predict truck tailgate bolt loosening represents a major innovation for the automotive industry, aligning with the principles of Industry 4.0. Traditional physical testing methods are both expensive and time-consuming, often identifying issues late in the development process and necessitating costly design changes and prototype builds. By harnessing AI/ML, manufacturers can now analyze tailgate slam and bolt preload data to accurately forecast potential bolt loosening issues. This predictive capability not only enhances quality and safety standards but also significantly reduces the costs associated with tooling and builds. The AI/ML tool described in this paper can simulate a variety of load conditions and predict bolt loosening with over 90% accuracy, considering factors such as changes in loads, bolt diameters, washer sizes, and unexpected masses added to the tailgate. It provides valuable design insights, such as recommending optimal bolt
Sivakrishna, Masani, Das, Mahat, Singh, Abhinav, karra, Manasa, Shienh, Gurpreet, Luebke, Amy
Power loss evaluation in 4WD axle and correlation with Testing results2026-26-0107To be published on 01/16/2026
In the tractor, the efficiency depends on the transmission system, of all the losses major contribution is given by the transmission elements. To improve the efficiency, it became crucial to monitor the areas of power losses. Power loss in transmission refers the reduction in amount of power which being generated from the engine source to the final drive elements. There are various parameters and factors influence this condition, analyzing those conditions helps in identifying & improving the higher contributing components for driveline power loss. This study presents a comparative analysis of theoretical and experimental data regarding power loss in the gear train of a 70HP 4WD front axle. The investigation incorporates theoretical power loss calculations for individual components, including the bevel gear, bearings, thrust washer and seal arrangements. To evaluate and validate the power losses in the 4WD axle, a Gear Train Endurance test was conducted in a controlled laboratory
Jayapal, Jayaraj, Mahapatra, Soumya Ranjan, Sethi, Suvendu Kumar, JOSHI, SHRIKANT, BANGE, PRASHANT
Rear Wiper Motor with Nozzle Integration for Improved wiping performance and Perceived Quality2026-26-0600To be published on 01/16/2026
In the current modern days of driving, rear wiping performance plays a crucial role in safe driving. This study focuses on improving the rear wiping with add on benefits like improved BSR performance, cost saving and perceived quality. This new concept has the rear wiper motor assembly which accommodates the nozzle also thereby making it a single unified assembly with reduced system complexity. This concept eliminates the complex hose routing of washer system for rear wiping which is usually packaged at spoiler or HMSL. It also helps in improved spray coverage and reduced dry wiping which in turn enhances system reliability with clean & quiet operation. This integrated nozzle concept is much more compact than the available products in the market with minimum number of end items. Also, this design comes with non-return valve which ensures there is no delay in the spray execution. And it improves the cleaning efficiency by maintaining consistent fluid pressure. This concept comes with
Dhage, Prashant, K, NAGARAJAN, G, Sabari Rajan
Innovative Friction Locking Mechanism for High Voltage Busbar Connections in EV Batteries2026-26-0155To be published on 01/16/2026
In the development of high-voltage (HV) batteries, ensuring secure connections between HV conductors and maintaining the safety and performance of the battery pack is paramount. Therefore, In the pursuit of enhancing efficiency and reliability in electrical connections, this paper explores the innovative alternate for a traditional screwing method with a friction locking mechanism for connecting busbars. The novel design reimagines the busbar as a Friction clamp (Female part) that securely holds the male part of the Busbar, significantly increasing the contact surface area up to 50%. This enhanced surface area not only improves electrical conductivity but also reduces heat generation, addressing common issues associated with traditional screw-based connections. By eliminating the need for screws, the new design streamlines the assembly process, resulting in reduced cycle times and improved overall assembly line efficiency. This study presents the design methodology, performance
Venkatesh, Murali, Raghu, Arun, Bhramanna, Amol
Cover Assembly, Electrical, for MS27212 Terminal Board AssemblyAS18029E (Historical)10/02/2025
Scope is unavailable.
AE-8C2 Terminating Devices and Tooling Committee
Elbow Assembly 45°, Flared Tube to Retained Nut, for Seal RingAS4316A (Current)09/29/2025
SCOPE IS UNAVAILABLE.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Bearing, Roller, Needle, Double Row, Heavy Duty, Track Roller, Sealed, Type VI, InchAS21439E (Current)09/19/2025
Scope is unavailable.
ACBG Rolling Element Bearing Committee
TEE ASSEMBLY, FLARED TUBE, RETAINED NUT ON SIDE, FOR SEAL RINGAS4304A (Current)05/02/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, ADJUSTABLE END ON RUN, FOR SEAL RINGAS4305A (Current)05/02/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
ELBOW ASSEMBLY 90°, FLARED TUBE TO ADJUSTABLE END, FOR SEAL RINGAS4303A (Current)05/02/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, ADJUSTABLE END ON SIDE, FOR SEAL RINGAS4306A (Current)05/02/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, RETAINED NUT ON RUN, FOR SEAL RINGAS4302A (Current)05/02/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Wheel Analysis Process Considering Bolt Torque Sequencing for Assembly and Disassembly2024-26-029001/16/2024
This paper is centered on developing a methodology to simulate actual physics of the assembly and disassembly process for rear wheel components of the tractor / off highway vehicle. The components, cast wheel and sleeves, are having interference fit and are assembled through sequential bolt torquing. Effect of different torque values, torque sequence pattern and number of torquing cycles on the structural integrity of the components after assembly is studied in this process. The methodology also encompasses evaluation of residual strains during the assembly and then subsequent disassembly process of sleeves and cast wheel, while reckoning different non-linear material models for nodular and gray cast iron. The process predicts the loosening behavior of the bolts during assembly process and eventually helps to find optimum bolt torquing pattern with minimum preload loss. These are valuable inputs for factory as well as end customers to reduce number of retorquing cycles. Strain pattern
NASALAPURKAR, ANIRUDDHA P., Erisman, Phil, Mali, Kailash
The applications of Acoustic Black Holes to attenuation of Coach/Bus Frame Structure Vibrations2025-01-006505/05/2023
Abstract An acoustic black hole (ABH) is a structure whose cross-sectional thickness decreases exponentially to zero, and the phase velocity and group velocity of wave propagation in those structure acoustic black holes decrease as the thickness decreases until they are zero. ABH produce some very magical physical phenomena. For example, because the wave velocity decreases to zero, the wave can never reach the center of the ABH, so the wave propagation in the acoustic black hole has neither refraction nor reflection; that is to say the vibration wave will not go through the acoustic black hole. As a result, the wave energy is concentrated in the center of the ABH. The arrangements of those acoustic black holes in the structures could change the directions of the vibrational wave propagation in the structures at NVH engineers’ wills. These amazing phenomena could play a magical role in reducing structural vibration, structural noise radiation and structure-borne noise. Basic structures
Huang, Xianli
Locking Side Pull Hoist RingTBMG-4691611/01/2022
Metallic Materials Properties Development and Standardization (MMPDS) Handbook - 17B-98907/04/2022
The Metallic Materials Properties Development and Standardization MMPDS-17 supersedes MMPDS-16 and prior editions of the MMPDS Handbook as well as all editions of MIL-HDBK-5, Metallic Materials and Elements for Aerospace Vehicle Structures Handbook that was maintained by the U.S. Air Force. The last edition, MIL-HDBK-5J was cancelled by the U.S. Air Force in March 2006. This document contains design information on the mechanical and physical properties of metallic materials and joints commonly used in aircraft and aerospace vehicle structures. All information contained in this Handbook has been reviewed and approved using a standardized process. The development and ongoing maintenance process involves certifying agencies, including the FAA, DoD, and NASA, and major material suppliers and material users worldwide. The information and procedures in this Handbook are continuously reviewed and modified or removed as determined to be appropriate. With advances in materials and fastener
Burgers, Phillip
Metallic Materials Properties Development and Standardization (MMPDS) Handbook - 17B-989-TEST-REC07/04/2022
The Metallic Materials Properties Development and Standardization MMPDS-17 supersedes MMPDS-16 and prior editions of the MMPDS Handbook as well as all editions of MIL-HDBK-5, Metallic Materials and Elements for Aerospace Vehicle Structures Handbook that was maintained by the U.S. Air Force. The last edition, MIL-HDBK-5J was cancelled by the U.S. Air Force in March 2006. This document contains design information on the mechanical and physical properties of metallic materials and joints commonly used in aircraft and aerospace vehicle structures. All information contained in this Handbook has been reviewed and approved using a standardized process. The development and ongoing maintenance process involves certifying agencies, including the FAA, DoD, and NASA, and major material suppliers and material users worldwide. The information and procedures in this Handbook are continuously reviewed and modified or removed as determined to be appropriate. With advances in materials and fastener
Burgers, Phillip
Additive Manufacturing of Threaded Parts for Aerospace applications2022-26-117005/26/2022
Additive manufacturing also known as 3D printing and rapid prototyping is ‘the process of joining materials to make objects from 3D model data, generally layer upon layer. It is a suitable process to produce complex net shape parts, and prototypes. Additive Manufacturing empowers both design and industrial revolution, in various industrial sectors such as aerospace, energy, automotive, medical, tooling and consumer goods. In aerospace today, Additive Manufacturing is bringing lots of advantages and applications but manufacturing threaded fasteners or parts with threads is not much explored. In this study we are exploring this and trying to establish manufacturing threaded parts using additive manufacturing. This is going to give many benefits like reduced part cost, manufacturing and installation time and increased safety. The key features of such parts which makes AM as a best manufacturing method are – angled internal grove, provision for sealant for complete sealing, customized
Shetty, Dr. Kishora, Murthy, Harsha
Handling Loading Dynamics in Chassis Bolted Connections Through Friction Increase2022-01-024103/29/2022
With the trend towards electrification, the number of vehicle variants (ICE, hybrid, BEV) for a like model are increasing, or for the case of BEVs, there are multiple models utilizing the same skateboard design. These vehicle variants can create challenges on how to handle the differences in weight and loading dynamics while utilizing the same carry-over chassis design. In some cases, the solution to this problem can be solved by increasing the shear capacity of the critical bolted connection. This can be done by increasing the static coefficient of friction between the mating components. FEM results are shared on a friction enhancement solution and the difference it can make on load capacity for a weight bearing connection in chassis. The solution is effective on all common material types including aluminum and e-coated steel. Comparisons are made to bolt design solutions, proving that friction increase can significantly improve the performance of the bolted connection without a need
Jackowski, John, Milton, Chuck, Ness, Jon, Grimm, Florian
Methodology and application on load monitoring using strain-gauged bolts in brake calipers2022-01-112103/29/2022
As technology evolves, the number of sensors and available data on vehicles grow exponentially. In this context, it is essential to use sensors for monitoring key components, increasing safety and reliability, and gathering data useful for mechanical dimensioning and control systems. This paper presents an application of strain-gauged bolts brake calipers fixation of two electric vehicles. With this approach it was possible to obtain the loads applied to the brake pads and correlate them with braking behavior, therefore gaining insights on braking conditions and system state. The goal of the study is analyzing the strengths and limitations of the method and proposing developments to deploy it in real applications. This topic is particularly important and novel for electric vehicles, where powertrains can create positive and negative torques and generate complex interactions with braking system. Strain-gauges are a long-known technology applied in many fields, and its usage in bolts and
de Carvalho Pinheiro, Henrique, Sisca, Lorenzo, Carello, Massimiliana, Ferraris, Alessandro, Airale, Andrea Giancarlo, Falossi, Marco, Carlevaris, Alberto
Development & Deployment of Bolted joint integrity evaluation for Automotive suspension joints2022-01-092803/29/2022
Bolted joints are the most commonly used joints in automotive suspension assemblies. They are expected to retain the strength over the course of useful life of the vehicle and contribute to durability in a big way through reduction of stress amplitudes. Any sort of loosening or slip or breakage in these joints can lead to noise or catastrophic failures. In the past, such issues were addressed through thumb rules & design guidelines. However, with the focus on first-time right Tests with reduced Validation time it has become important to upfront predict the suspension joint integrity through simulation. Toward this objective, a novel approach was developed to upfront simulate the suspension joint integrity for bolted joints. This approach considers various parameters like bolt preload, tolerance stackup of the parts in the joint, coefficients of friction of various interfaces, quality of contact & effect of deformation at the thread interface on joint integrity. Also, key parameters
Chaudhari, Varun N., Nagappan, Rajkumar, Kangde, Suhas
Chevrolet Bolt Electric Vehicle Model Validated with On-The-Road Data and Applied to Estimating the Benefits of a Multi-Speed Gearbox2022-01-080203/29/2022
This paper presents a model for predicting the energy consumption of a 2017 Chevy Bolt electric vehicle. The model is validated using more than 100 measured drive cycles covering in excess of 6,000 miles of driving and temperatures from 15 to 90 ⁰F. The mechanical road load acting on the vehicle is calculated via ABC parameters from the publicly available US Environmental Protection Agency (EPA) Annual Certification Data database. The vehicle model includes wheel diameter, gear ratio, rated electric machine torque and power, 12V accessory load based off measurements, measured electric machine efficiency obtained from a publication from General Motors, modelled inverter efficiency, assumed gearbox efficiency, and a battery model. To ensure accuracy under real-world conditions, road grade, temperature effects, and heating and cooling energy are included as well. The model predicts a 0 to 60mph acceleration of the vehicle of 6.6 seconds, just 0.1 seconds greater than the rated value. The
Machado, Fabricio, Kollmeyer, Phillip, Emadi, Ali
Influence of Manufacturing Processes on the Structural behavior of Truck Frame Rail Sections2022-01-091403/29/2022
The sequence of manufacturing processes involved in the making of ladder shaped truck frame rail assembly leave certain amount of manufacturing and assembly imperfections in the form of plastic deformation and residual stresses in some areas of frame rail ‘C’ sections. The plastic deformation and the resulting residual stress should not be allowed to cross the safer limit as it would affect the structural behaviour of the frame rail while interacting with the externally induced loading stresses from extreme road operating conditions. If the combined stress level crosses the yield limit of the frame material, it may lead to premature failure of frame rail much before it gives the expected life. One such manufacturing induced premature failure in a truck frame rail assembly during proving ground trials was studied in detail using experimental analyses and presented in this paper. As part of this study, the local material crowding due to plastic deformation occurring at certain sections
K, Chinnaraj, KR, Balaji, Gopal, Gopi
BOLT, MACHINE - DOUBLE HEXAGON, EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, UNS S66286, 130 KSI MIN, .4375-20 UNJF-3AAS9560 (Current)10/28/2021
E-25 General Standards for Aerospace and Propulsion Systems
BOLT, MACHINE - DOUBLE HEXAGON, EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, UNS S66286, 130 KSI MIN, .5000-20UNJF-3AAS9561 (Current)10/28/2021
E-25 General Standards for Aerospace and Propulsion Systems
BOLT, MACHINE – DOUBLE HEXAGON, EXTENDED WASHER HEAD, DRILLED, PD SHANK, UNS S66286, SILVER PLATED, .5625-18UNJF-3AAS9580 (Current)10/26/2021
E-25 General Standards for Aerospace and Propulsion Systems
BOLT, MACHINE - DOUBLE HEX HEAD, REDUCED SHANK, UNS N07718 - 185 KSIAS3650C10/12/2021
SCOPE IS UNAVAILABLE.
E-25 General Standards for Aerospace and Propulsion Systems
Hydraulic Pump and Motor Mounting and Drive DimensionsJ744_202110 (Historical)10/08/2021
This SAE Standard applies to hydraulic pumps and motors used on off-road self-propelled work machines as described in SAE J1116.
CTTC C1, Hydraulic Systems
Hydraulic Pump and Motor Mounting and Drive DimensionsJ744_202110-TEST-REC (Historical)10/08/2021
This SAE Standard applies to hydraulic pumps and motors used on off-road self-propelled work machines as described in SAE J1116.
CTTC C1, Hydraulic Systems
BEARING, ROLLER, NEEDLE, TRACK ROLLER INTEGRAL STUD, SEALED, TYPE VIII ANTIFRICTION, INCHAS21440C (Current)10/06/2021
ACBG Rolling Element Bearing Committee
CONNECTORS, ELECTRICAL, RECTANGULAR, RECEPTACLE, CRIMP CONTACTS, (DUAL INSERT, TYPE IV, CLASS 1 (−65 TO +125 °C), SERIES 2, SHELL DESIGNATOR A, CLINCH NUT MOUNT)AS81659/71B (Current)09/22/2021
AE-8C1 Connectors Committee
Glossary - Automatic Belt TensionerJ2198_202109 (Current)09/10/2021
This glossary was written to provide a consistent and uniform definition of terms used in describing an automatic belt tensioner as it applies to an automotive accessory drive system.
Belt Drive (Automotive) Systems Committee
T-Bolt and Eye Bolt, A286 CRES, 1000 °F Fatigue RatedAS4108D (Current)09/01/2021
This specification defines the requirements for A286 CRES T-bolts and eye bolts, with room temperature tensile strength of a minimum of 160000 psi, for use with clamps and V-band couplings at 1000 °F maximum ambient temperature.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
T-Bolt and Eye Bolt, A286 CRES, 1000 °F Fatigue RatedAS4108D-TEST-REC (Historical)09/01/2021
This specification defines the requirements for A286 CRES T-bolts and eye bolts, with room temperature tensile strength of a minimum of 160000 psi, for use with clamps and V-band couplings at 1000 °F maximum ambient temperature.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Impact of Mode Shapes on Experimental Loss Factor Estimation in Automotive Joints2021-01-111008/31/2021
This paper presents the experimental work carried out on single-lap joints fastened together with bolts and nuts to investigate the contribution of mode shapes, and the effect that bolt sizes has in dissipating energy in built-up structures. Five different bolt sizes are chosen to assemble five single-bolted single-lap joints using aluminum plates. An analogous monolithic solid piece carved from the same aluminum material is used to determine the material damping and compare it against the damping from bolted joints. The dynamic response of all structures is captured under free-free boundary conditions, and the common modes are analyzed to understand the contribution and primary source of damping in the same range of the sampling frequency. This investigation has revealed that the source of damping in the joints is heavily linked to the mode shapes of the structure and structural damping (also referred to as material damping) contributes more during specific mode shapes compared to the
Sanjeev, Shaan, O'Boy, Dan J., Cunningham, Paul, Fisher, Steve
ASSEMBLY NUT, PLATE, REMOVABLE SELF-LOCKING NUTAS3550A (Current)08/16/2021
E-25 General Standards for Aerospace and Propulsion Systems
Steel Self-Drilling Tapping ScrewsJ78_202107 (Current)07/28/2021
This SAE Standard covers the dimensional and general specifications, including performance requirements, for carbon steel self-drilling tapping screws suitable for use in general applications having point Styles 2, 3, 4, and 5. It is the objective of this document to ensure that carbon steel self-drilling tapping screws, by meeting the mechanical and performance requirements specified, shall drill a hole and form or cut mating threads in materials into which they are driven without deforming their own thread and without breaking during assembly.
Fasteners Committee
Steel Self-Drilling Tapping ScrewsJ78_202107-TEST-REC (Historical)07/28/2021
This SAE Standard covers the dimensional and general specifications, including performance requirements, for carbon steel self-drilling tapping screws suitable for use in general applications having point Styles 2, 3, 4, and 5. It is the objective of this document to ensure that carbon steel self-drilling tapping screws, by meeting the mechanical and performance requirements specified, shall drill a hole and form or cut mating threads in materials into which they are driven without deforming their own thread and without breaking during assembly.
Fasteners Committee
BOLT, SPLINE DRIVE SPECIAL EXTENDED WASHER HEAD, REDUCED HEAD, PD SHANK, AMS5708, METRICMA3448A07/12/2021
E-25 General Standards for Aerospace and Propulsion Systems
SCREW, MACHINE, 100° CSK, FLAT HEAD, OFFSET CRUCIFORM RECESS, FULL SHANK, UNS S66286, MJ THREAD, METRICMA4189A07/12/2021
SCOPE IS UNAVAILABLE.
E-25 General Standards for Aerospace and Propulsion Systems
COUPLING, V-RETAINER, SINGLE LATCH, TYPE I STANDARD PROFILEAS1895/1G (Historical)06/22/2021
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
COUPLING, V-RETAINER, SINGLE LATCH, TYPE II LOW PROFILEAS1895/4G (Historical)06/22/2021
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
CONNECTOR, RECEPTACLE, ELECTRIC, SOLDER TYPE, JAM NUT MOUNTING, PUSH-PULL, COUPLING, SERIES 1 (CLASS E, P, J AND H)AS31341A (Current)05/19/2021
AE-8C1 Connectors Committee
CONNECTOR, RECEPTACLE, ELECTRIC, SOLDER TYPE, JAM NUT MOUNTING, PUSH-PULL, COUPLING, SERIES 1 (CLASS E, P, J AND H)AS31341A-TEST-REC (Historical)05/19/2021
AE-8C1 Connectors Committee
CONNECTOR, RECEPTACLE, ELECTRIC, CRIMP TYPE, JAM NUT MOUNTING, PUSH-PULL, COUPLING, SERIES 2 (CLASS E AND J)AS31441A (Current)05/18/2021
AE-8C1 Connectors Committee
CONNECTOR, RECEPTACLE, ELECTRIC, CRIMP TYPE, JAM NUT MOUNTING, PUSH-PULL, COUPLING, SERIES 2 (CLASS E AND J)AS31441A-TEST-REC (Historical)05/18/2021
AE-8C1 Connectors Committee
Disc Wheel and Hub or Drum Interface Dimensions - Truck and BusJ694_202104 (Current)04/30/2021
This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for truck and bus applications. Disc wheels designed only for single wheel applications (not dual wheels) for light trucks and special or less common applications are not covered in this document.
Truck and Bus Wheel Committee
Disc Wheel and Hub or Drum Interface Dimensions - Truck and BusJ694_202104-TEST-REC (Historical)04/30/2021
This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for truck and bus applications. Disc wheels designed only for single wheel applications (not dual wheels) for light trucks and special or less common applications are not covered in this document.
Truck and Bus Wheel Committee
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