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Elastomer, Acrylonitrile Butadiene Rubber (NBR) 55-65 Type A Durometer Hardness Petroleum-Base Hydraulic Fluid Resistant

2024-05-24
CURRENT
AMS3200M
This specification covers an acrylonitrile-butadiene (NBR) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. For molded rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the AMS-P-83461 specification or the MIL-PRF-25732 specification.
Standard

Modernized Dynamic Cycling Test Fixture

2024-03-12
WIP
AS6958
This SAE Aerospace Standard (AS) defines a modernized dynamic cycling test fixture for dynamic cycling at high and low temperature and pressure.
Standard

Identification and Packaging Elastomeric Products

2024-03-04
CURRENT
AMS2810J
This specification provides requirements for the identification and packaging of sheet, strip, extrusions, and molded parts made of natural rubber, synthetic rubber, reclaimed rubber, and combinations of the above with other materials such as asbestos, cork, and fabrics. AMS2817 covers preferred requirements for identification and packaging of preformed packings.
Standard

Elastomer: Fluorocarbon (FKM) Rubber High-Temperature-Fluid Resistant Low Compression Set / 85 to 95 Type A Hardness For Seals in Fuel Systems and Specific Engine Oil Systems

2023-11-10
CURRENT
AMS3218E
This specification covers a fluorocarbon (FKM) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. For molded rings, compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the AMS7259 specification.
Standard

Dynamic Seal Test Procedure

2023-10-25
WIP
AS6944/1
This SAE Aerospace Standard (AS) provides procedures for a standardized test that can be used to evaluate the dynamic performance requirements defined in some elastomer material standards of O-rings in rod glands per AS4716
Standard

Elastomer: Fluorosilicone Rubber (FVMQ), Fuel and Oil Resistant, High Strength, 45 – 55 Shore A Hardness, For Products in Fuel Systems / Lubricating Oils

2023-10-16
CURRENT
AMS3329D
This specification covers a high strength fluorosilicone (FVMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, molded O-ring cord, and molded in place gaskets for aeronautical and aerospace applications.
Standard

Elastomer: Fluorocarbon (FKM) Rubber High-Temperature - Fluid Resistant Low Compression Set / 70 to 80 Type A Hardness For Products in Fuel Systems and Specific Engine Oil Systems

2023-10-05
CURRENT
AMS3216J
This specification covers a fluorocarbon (FKM) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. For molded rings, compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the AMS7276 specification.
Standard

Elastomer: Fluorosilicone (FVMQ) Rubber Fuel and Oil Resistant 45 - 55 Shore A Hardness For Products in Fuel Systems/Lubricating Oils

2023-08-16
CURRENT
AMS3330D
This specification covers a fluorosilicone (FVMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, molded O-ring cord, and molded in place gaskets for aeronautical and aerospace applications.
Standard

Dynamic Seal Test Fixture

2023-07-14
CURRENT
AS6944
This SAE Aerospace Standard (AS) provides dimensions for a standardized test fixture that can be used to evaluate the dynamic performance requirements defined in some elastomer material standards of O-rings in rod glands per AS4716.
Standard

Designing for Long Life with Elastomers

2023-07-11
CURRENT
AIR1412E
This document lists those guidelines recognized as being essential for consideration by the designer who is preparing to select an elastomer as part of an aerospace design.
Standard

Rubber: Fluorosilicone (FVMQ), Engine Oil / Fuel-Resistant, For Seals in Engine Oil Systems/Fuel Systems

2023-06-27
CURRENT
AMSR25988B
This material has resistance to diester-based engine oil (MIL-PRF-7808) and fuel, but usage is not limited to such applications. This material is not suitable for use in synthetic phosphate ester based hydraulic fluids (AS1241) or helicopter transmission lubricating oils (DOD-PRF-85734, MIL-PRF-32538). For gas turbine engine lubricating oils (AS5780, MIL-PRF-23699), resistance varies by class and should be evaluated individually (see Note regarding high performance oils). This material has a typical service temperature range of -70 to +392 °F (-56.7 to +200 °C) for Class 1 and Class 2 and -70 to +437 °F (-56.7 to +225 °C) for Class 3. The service temperature range of the material is a general temperature range, but the presence of particular fluids and specific design requirements may modify this range. Each application should be considered separately.
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