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AMS7284/1A - Rings, Sealing, Phosphonitrilic Fluoroelastomer (Fz) Aviation Fuel Resistant 65-75 Shore A

Details
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Document Number: AMS7284/1A
Project Initiation: 11-30-2009
Project Number:
Revision Number: A
Sponsor Name: Ronald E. Zielinski
Title
Rings, Sealing, Phosphonitrilic Fluoroelastomer (Fz) Aviation Fuel Resistant 65-75 Shore A
Scope
This specification covers a phosphonitrilic fluoroelastomer (FZ) in the form of molded rings. Primarily for use in aircraft fuels systems operating from -55 to +150 degrees C (-67 to 302 degrees F).
Rationale
The specification was made non-current when Ethyl discontinued manufacturing of the base elastomer FZ. MST (Materials Science Technology) began FZ production in September 2009.
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