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Standard

Oil, Reference, for "L" Stock Rubber Testing

2020-01-17
CURRENT
AMS3020B
This specification covers a petroleum-based reference oil. This fluid has been typically used as a reference oil to evaluate the ability of elastomeric compounds to conform to specified requirements after immersion at a specified time and temperature as required by the material.
Standard

Patterns of O-Ring Failures

2019-11-19
CURRENT
AIR1707C
The information presented herein describes the commonly observed patterns of O-ring failure by means of both text and illustration. Possible causes and corrective actions are indicated for alleviating the problem.
Standard

Static Seal Test Fixture and Procedure

2019-11-05
CURRENT
AS7982
This SAE Aerospace Standard (AS) provides dimensions and procedures for a standardized test fixture used to evaluate the static performance of O-rings and other seal types in glands per AS4716 and AS5857.
Standard

Acrylonitrile Butadiene (Nbr) Rubber, Hot Oil and Coolant Resistant, Low Swell, 45-55

2019-10-25
WIP
AMS3226J
This specification covers a nitrile (NBR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. Primarily for hose, packings, bushings, grommets, and seals in contact with hot, petroleum-base lubricating oils and glycol-type coolants from -40 degrees to +100 degrees C (-40 degrees to +212 degrees F).
Standard

Synthetic Rubber Hot Oil Resistant, High Swell 45 - 55

2019-07-29
CURRENT
AMS3222J
This specification covers a synthetic rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cords, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection this material.
Standard

Rubber: Fluorocarbon Elastomer (FKM) 70 to 80 Hardness, Low Temperature Sealing Tg -50 °F (-46 °C) For Elastomeric Seals in Aircraft Engine Oil, Fuel and Hydraulics Systems

2019-05-21
WIP
AMS7410
1.1 Form This specification covers high temperature, compression set and fluid resistant fluorocarbon elastomer material to be used in the form of O-rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications. 1.2 Application These products have resistance to a variety of gas turbine engine oils, including high thermal stability (HTS) oils, fuels, and hydraulic fluids, but usage is not limited to such applications. Each application should be considered separately. This fluorocarbon (FKM) has a service temperature range of -65 to +400 °F (-54 to +204 °C) in air. 1.3 Safety - Hazardous Materials While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards, which may be involved in such use.
Standard

Ethylene Propylene (EPM) Rubber, Phosphate Ester Resistant, 55-65

2019-05-07
WIP
AMS3248D
This specification covers an ethylene propylene (EPM) rubber in the form of sheet, strip, tubing, molded shapes, and extrusions. Primarily for parts, such as gaskets, grommets, and seals requiring resistance to phosphate esters and/or to ozone. Not suitable for use in contact with petroleum base fluids due to excessive swell.
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