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Elastomer: Fluorocarbon (FKM) Aircraft Engine Oil, Fuel and Hydraulic Fluid Resistant Low Temperature Sealing Tg -40 °F (-40 °C) / 70 to 80 Hardness, for Products in Aircraft Engine Oil, Fuel, and Hydraulics Systems

2023-03-20
CURRENT
AMS3353A
This specification covers a fluorocarbon elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. For molded rings, molded compression seals, and molded-in-place gaskets for aeronautical and aerospace applications, use the AMS7379 specification.
Standard

Elastomer: Fluorosilicone Rubber (FVMQ) Fuel and Oil Resistant 65 – 75 Shore A Hardness For Products in Fuel Systems/Lubricating Oils

2022-11-01
WIP
AMS3331D
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, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Fluorocarbon Elastomer (FKM) High Temperature/HTS Oil Resistant/Fuel Resistant Low Compression Set/70 to 80 Hardness, Low Temperature Tg -22 °F (-30 °C), for Seals in Oil/Fuel/Specific Hydraulic Systems

2022-09-08
CURRENT
AMS7287A
This specification covers a high temperature, compression set, and fluid resistant fluorocarbon (FKM) elastomer in the form of molded O-rings, molded compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications. For sheet, strip, tubing, extrusions, and molded shapes, use the AMS3384 specification.
Standard

Manufacturing Processing Requirements for Molded Elastomer Components Used in Aerospace Applications

2022-07-05
WIP
AS6414B
This specification is applicable to the processes that are used in the manufacture of aerospace elastomer parts utilizing materials conforming to AMS7XXX series specifications, user specifications, or print on a Purchase Order (PO) that calls out this document for aerospace applications. The elastomer parts are in the form of O-rings, plate seals and other compression seals.
Standard

Elastomer: Chloroprene Rubber (CR) Weather Resistant 55 - 65

2022-06-13
CURRENT
AMS3241K
This specification covers a chloroprene (CR) rubber that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes such as window channels, bumper pads, chafing strips, etc. For molded rings, compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the equivalent AMS7XXX specification.
Standard

Elastomer: Chloroprene Rubber (CR) Weather Resistant 35 - 45

2022-06-13
CURRENT
AMS3240L
This specification covers a chloroprene rubber (CR) that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes such as window channels, bumper pads, chafing strips, etc. For molded rings, compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, use the equivalent AMS7XXX specification.
Standard

Packaging and Identification of Molded Elastomeric Seals and Sealing Components

2022-05-20
CURRENT
AMS2817G
This specification covers procedures which will provide protection of elastomeric seals and seal assemblies such as O-rings, cap seal assemblies, and other designs from contamination by foreign materials and handling / transportation / storage damage prior to installation and ensure positive identification by part number of each piece until it is installed.
Standard

Sponge, Chloroprene (CR) Rubber, Soft

2022-03-01
CURRENT
AMS3197N
This specification covers a chloroprene (CR) rubber sponge in the form of sheet, strip, molded shapes, or other forms, as ordered.
Standard

Rubber: Fluorocarbon Elastomer (FKM) Aircraft Engine Oil, Fuel and Hydraulic Fluid Resistant 70 to 80 Shore Type A Hardness Low Temperature Sealing Tg -47 °F (-43.9 °C) for Elastomeric Seals in Aircraft Engine, Fuel and Hydraulic Systems

2021-10-06
CURRENT
AMS7410
This specification covers high temperature, compression set, and fluid resistant fluorocarbon (FKM) elastomer in the form of molded rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications.
Standard

Suitable Test Sizes for O-ring Specifications

2021-09-08
CURRENT
ARP3050A
There are many tests that have been developed to characterize rubber O-rings. Many of these tests are independent of the size of the O-ring being tested. However, there are some tests, specifically, stress/strain properties, that are a function of the O-ring’s size. The purpose of this report is to provide guidelines for specifying O-rings that would be considered “suitable for testing” when writing O-ring material specifications.
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