Browse Topic: Fittings

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Tube Fittings, Aerospace Fluid Systems, Separable, for 24 Degree Cone, General Specification, Metric (ISO 7169)1MA2005D (Current)5/8/2026
This document specifies performance and quality requirements for the qualification and manufacture of 24 degree cone fittings to ensure reliable performance in aircraft hydraulic systems.This document specifies baseline criteria for the design and manufacture of system fittings that are qualification tested on engines.This document covers fittings of temperature types and pressure classes specified in MA2001.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Hose Assemblies, Installed, Visual Inspection Guide ForARP1658C (Current)11/26/2025
This SAE Aerospae Recommended Practice (ARP) covers visible surface defects on aerospace hose assemblies which have been installed and are functioning within a working environment at the time of visual inspection. This document is intended to help those who are conducting periodic visual inspections of hose assemblies used in aerospace systems and ground servicing equipment to determine time for replacement by condition of hose assemblies at time of inspection. This practice is intended to augment existing procedures for replacement of hose assemblies based on service time. A constant surveillance of all hose assemblies for visible wear, defects, and/or damage shall be routine at all times of maintenance. When wear, defects, or damage to installed hose assemblies is detected, the hose assemblies shall be tagged or replaced in accordace with Section 4 of this document.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Elbow Assembly 45°, Flared Tube to Retained Nut, for Seal Ring** FK Test-2026-04-12 **AS4316A (Historical)9/29/2025
SCOPE IS UNAVAILABLE.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Fitting, Assembly, Adapter Ring Locked Port Connection to Flared Tube EndAS1985E (Current)9/26/2025
No scope available.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Fitting, Adapter, Port, ReducerAS5172F (Current)9/26/2025
Scope is unavailable.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, RETAINED NUT ON SIDE, FOR SEAL RINGAS4304A (Current)5/2/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, ADJUSTABLE END ON RUN, FOR SEAL RINGAS4305A (Historical)5/2/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, RETAINED NUT ON RUN, FOR SEAL RINGAS4302A (Historical)5/2/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE ASSEMBLY, FLARED TUBE, ADJUSTABLE END ON SIDE, FOR SEAL RINGAS4306A (Current)5/2/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
ELBOW ASSEMBLY 90°, FLARED TUBE TO ADJUSTABLE END, FOR SEAL RINGAS4303A (Historical)5/2/2025
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Fuel Cell Experimental Data Anomaly Detection and Polarization Curve Fitting Method2024-01-28964/9/2024
In recent years, fuel cell vehicles have gained widespread attention due to their environmental benefits. How to quickly predict the lifespan of fuel cells has become a research focus in both academia and industry. The polarization curve, described typically by semi-empirical formula, is an important tool for describing the fundamental characteristics of fuel cells. By studying and analyzing the polarization curves of fuel cells throughout their lifespan, we can gain insights into their performance under different operating conditions, providing valuable insight for the design and optimization of fuel cells. Parameters in semi-empirical equations are typically fitted using raw experimental data, but outlier points can severely impact the results of data analysis. Therefore, the rapid and effective automatic identification and removal of these outliers is a crucial step in the fitting process of polarization curve parameters. This article explores the use of data cleansing methods based
Qin, Jiahang, Hou, Yongping, Ma, Liying
Aerospace Fluid System Standards, Metric, National and InternationalAIR2000F (Current)3/25/2022
The purpose of this aerospace information report is to provide a listing of national and international metric standards for use in aerospace fluid systems with their equivalent SAE inch, International ISO, and European AECMA standards.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Aerospace Fluid System Standards, Metric, National and InternationalAIR2000F-TEST-REC (Historical)3/25/2022
The purpose of this aerospace information report is to provide a listing of national and international metric standards for use in aerospace fluid systems with their equivalent SAE inch, International ISO, and European AECMA standards.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
HYDROCARBON FUEL RESISTANT, TUBE FITTING, O-RING MOLDED FROM AMS-P-5315 RUBBERAS29512C (Current)11/9/2021
A-6C2 Seals Committee
O-RING MOLDED FROM AMS7268 (SILICONE) MATERIALAS5728B (Current)11/8/2021
A-6C2 Seals Committee
O-RING, STRAIGHT THREAD TUBE FITTING BOSS MOLDED FROM AMS-P-5510 RUBBERAS28778C (Current)11/8/2021
A-6C2 Seals Committee
Titles, SAE G-3 Committee Document, Selection ofARP1987B (Current)10/21/2021
This SAE Aerospace Recommended Practice (ARP) establishes the procedure for creating titles of G-3 Committee documents which will be published by the SAE Aerospace Organization. This standardization will avoid several different names describing the same item and will improve alphabetical listings of documents by subject.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Preparation for Delivery, General Requirements for Hose AssembliesARP1835A (Current)10/21/2021
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Standard Codes for Outer Sleeving on Hose AssembliesARP1785C (Current)10/21/2021
This SAE Aerospace Recommended Practice (ARP) provides a standard reference list of code designations to be applied to the various sleeves used on hose assemblies when preparing related "AS" specifications and part standards.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Titles, Hose and Hose Assembly, SAE G-3D Subcommittee, Selection ofARP1987/2A (Current)10/21/2021
The scope of this document is to aid in the selection of hose and hose assembly titles.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
O-RING MOLDED FROM AMS-R-7362 NITRILE RUBBER MATERIALAS29561C (Current)9/15/2021
THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS AND PACKAGING AND LABELING REQUIREMENTS FOR O-RINGS MOLDED FROM AMS-R-7362 NITRILE RUBBER. IT SHALL BE USED FOR PROCUREMENT PURPOSES.
A-6C2 Seals Committee
O-RING MOLDED FROM AMS-R-7362 NITRILE RUBBER MATERIALAS29561C-TEST-REC (Historical)9/15/2021
THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS AND PACKAGING AND LABELING REQUIREMENTS FOR O-RINGS MOLDED FROM AMS-R-7362 NITRILE RUBBER. IT SHALL BE USED FOR PROCUREMENT PURPOSES.
A-6C2 Seals Committee
Clamp, Loop Style, Cushioned, With Wedge, High Temperature, MetricMA2150/3A8/18/2021
SCOPE IS UNAVAILABLE.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
O-RING MOLDED FROM AMS7270 BUTADIENE-ACRYLONITRILE (NBR) RUBBER MATERIALAS3569A (Current)8/9/2021
THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS, AND PACKAGING AND LABELING REQUIREMENTS FOR O-RINGS MOLDED FROM AMS7270 (MATERIAL NAME) RUBBER. IT SHALL BE USED FOR PROCUREMENT PURPOSES.
A-6C2 Seals Committee
O-RING MOLDED FROM AMS7270 BUTADIENE-ACRYLONITRILE (NBR) RUBBER MATERIALAS3569A-TEST-REC (Historical)8/9/2021
THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS, AND PACKAGING AND LABELING REQUIREMENTS FOR O-RINGS MOLDED FROM AMS7270 (MATERIAL NAME) RUBBER. IT SHALL BE USED FOR PROCUREMENT PURPOSES.
A-6C2 Seals Committee
FITTING, ELBOW 45°, BULKHEAD SEALING, EXTERNAL SWAGE TO FLARELESS, HYDRAULICAS8576 (Current)6/10/2021
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
STRAIGHT THREAD TUBE FITTING BOSS O-RING MOLDED FROM AMS-P-83461 ACRLONITRILE BUTADIENE (NBR) RUBBERAS83461/2D (Current)6/10/2021
A-6C2 Seals Committee
Fitting End, Bulkhead Flared Tube, for Seal Ring, Standard Dimensions for, Design StandardAS1099D5/31/2021
No scope available.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, ADAPTER, STRAIGHT, EXTERNAL SWAGE TO FLANGE SEALING, MALE FLARELESS, HYDRAULICAS6492 (Current)5/26/2021
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Fittings, 24 Degree Cone Flareless, Fluid Connection, 3000 psiAS18280H (Current)5/26/2021
This SAE Aerospace Standard (AS) establishes the requirements for 24 degree cone flareless fluid connection fittings and nuts, internally or externally swaged, preset, or welded sleeves for use in aircraft fluid systems at nominal operating pressures up to and including 3000 psi.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Fittings, 24 Degree Cone Flareless, Fluid Connection, 3000 psiAS18280H-TEST-REC (Historical)5/26/2021
This SAE Aerospace Standard (AS) establishes the requirements for 24 degree cone flareless fluid connection fittings and nuts, internally or externally swaged, preset, or welded sleeves for use in aircraft fluid systems at nominal operating pressures up to and including 3000 psi.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, ELBOW 90°, BULKHEAD, EXTERNAL SWAGE TO FLARELESS, HYDRAULICAS6484 (Current)5/11/2021
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Detection & Tracking of Multi-Scenic Lane Based on Segnet-LSTM Semantic Split Network2021-01-00834/6/2021
Lane detection is an important component in automatic pilot system and advanced driving assistance system (ADAS). The stability and precision of lane detection will directly determine precision of control and lane plan of vehicles. Traditional mechanical vision lane detection approaches in complicated environment have the deficiencies of low precision and feature semantic description disabilities. But the lane detection depending on deep learning, e.g. SCNN network, LaneNet network, ENet-SAD network have imbalance problems of splitting precision and storage usage. This paper proposes an approach of high-efficiency deep learning Segnet-LSTM semantic segmentation network. This network structure is composed with encoding network and corresponding decoding networks. First, convolution and maximum pooling. The proposal extracts texture details of five images and stores searching position of maximum pooling. Meanwhile, it will implement interpolate processing to the lost points. Then, by up
Ye, Meng, Tan, Gangfeng, Tang, Jingning, Feng, Jiaming, Huang, Xin, Sun, Wenchao
Thread SealantsJ1615_202101 (Current)1/27/2021
Male pipe threads, including male dryseal pipe threads, when made into assemblies or installed into ports, will generally leak if not covered with a sealant. This SAE Recommended Practice is intended as a guide to assist designers and/or users in the selection and application of various types of thread sealants. The designers and users must make a systematic review of each type and application and then select the sealant to fulfill the requirements of the application. The following are general guidelines and are not necessarily a complete list.
Air Brake Tubing and Tube Ftg Committee
Qualified Hoses for Marine ApplicationsJ1942/1_202012 (Historical)12/22/2020
The following list consists of hose data provided as of December, 2019, and is for convenience in determining acceptability of nonmetallic flexible hose assemblies intended for usage under 46 CFR 56.60-25. Where the maximum allowable working pressure (MAWP) or type of fitting is not specified, use the manufacturer's recommended MAWP or type of fitting. This list has been compiled by SAE staff from information provided by the manufacturers whose product listings appear in this document. Manufacturers wishing to list their products in this document shall: a Successfully test their hose to the requirements of SAE J1942, Table 1. b Submit a letter of certification to the SAE J1942 test requirements for each specific type of hose tested (see sample table, Table 1) along with the test results. All sizes should be included in the same letter which must also include all of the information necessary to make a SAE J1942-1 listing. c The SAE will review the letter and may, at their discretion
Hydraulic Hose and Hose Fittings Committee
ASSEMBLED COUPLING ENVELOPE, THREADLESS - FLEXIBLE, FIXED CAVITY, CURRENT CARRYING, SELF BONDING, ENVELOPE DIMENSIONSAS7511B (Current)12/22/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TUBE END - BEADED, DESIGN STANDARDAS5131A (Current)12/10/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
CLAMP, LOOP TYPE BONDINGAS7351B (Current)12/10/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
TEE, STANDARD REDUCER, EXTERNAL SWAGE ON RUN, MALE FLARELESS ON SIDE, HYDRAULICAS6470 (Current)11/12/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTINGS, TUBE, FLUID SYSTEMS, SEPARABLE, HIGH PRESSURE, DYNAMIC BEAM SEAL, DESIGN STANDARD FOR MALE ENDAS85720/1B (Current)10/19/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Aerospace Size Standard for O-RingsAS568F (Current)9/29/2020
This SAE Aerospace Standard (AS) specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available.
A-6C2 Seals Committee
FITTING END ASSEMBLY, INTERNAL THREAD, RETAINED NUT, BEAM SEAL, DESIGN STANDARDAS4209D (Historical)9/18/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Fittings, Flareless to Pipe Threaded, Fluid ConnectionAS4842/2B (Historical)8/25/2020
This SAE Aerospace Standard (AS) establishes the requirements for fluid fittings that combine both flareless and pipe threaded connections for use in all types of fluid systems.
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, ELBOW, 90°, STANDARD AND REDUCER, FLARELESS TUBE TO PIPE, EXTERNAL THREADAS897F (Current)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, TEE, STANDARD AND REDUCER, FLARELESS TUBE TO PIPE ON SIDE, EXTERNAL THREADAS893F (Current)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, TEE, STANDARD AND REDUCER, FLARELESS TUBE TO PIPE ON RUN, EXTERNAL THREADAS894D (Current)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, NIPPLE, REDUCER, FLARELESS TUBE TO PIPE, EXTERNAL THREADAS896D-TEST-REC (Historical)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, ELBOW, 45°, STANDARD AND REDUCER, FLARELESS TUBE TO PIPE, EXTERNAL THREADAS895D-TEST-REC (Historical)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, ELBOW, 90°, STANDARD AND REDUCER, FLARELESS TUBE TO PIPE, EXTERNAL THREADAS897F-TEST-REC (Historical)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
FITTING, TEE, STANDARD AND REDUCER, FLARELESS TUBE TO PIPE ON RUN, EXTERNAL THREADAS894D-TEST-REC (Historical)8/3/2020
G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
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