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

2017-11-20
CURRENT
AMS3331C
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

Rubber: Fluorocarbon Elastomer (FKM) 70 to 80 Hardness, Low Temperature Sealing Tg -40°F (-40°C) For Elastomeric Parts in Aircraft Engine Oil, Fuel and Hydraulics Systems

2009-04-14
CURRENT
AMS3353
This specification covers high temperature, compression set and fluid resistant fluorocarbon elastomer material to be used in the form of sheet, strip, tubing, extrusions and molded shapes for aeronautical and aerospace applications. This specification should not be used to address products such as O-rings, compression seals, O-ring cord, and molded-in-place gaskets. For those applications AMS7379 should be used.
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