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SAE AMS7271

(R) Rubber: Acrylonitrile-Butadiene Rubber (NBR) Fuel and Low Temperature Resistant 60 - 70 Type “A” Hardness For Seals in Fuel Systems

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Organization: SAE
Publication Date: 1 December 2019
Status: active
Page Count: 16
scope:

Form

This specification covers an acrylonitrile-butadiene rubber in the form of molded rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications.

Application

This material type has shown to exhibit resistance to both aromatic as well as non-aromatic fuels and has a typical service temperature range of -67 to 212 °F (-55 to 100 °C) with intermittent usage up to 257 °F (125 °C). The service temperature range of the material is a general temperature range, but the presence of particular fluids and design requirements may modify this range. Each application should be considered separately. It is the responsibility of the user to determine that this specification is appropriate for the environments (temperature range, fluids exposure, etc.) in which it is sought to be used.

Order of Precedence

Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. This specification is in addition to and in no way limiting, superseding, or abrogating any contractual obligation as required by the applicable procurement document. In the event of conflict in requirements, the order of precedence shall be:

1. Procurement Document or Contractual Agreement and all statutory and regulatory requirements (excluding this document)

2. Applicable purchaser's drawing or AS3578 Parts Standard

3. Specification referenced on the drawing

4. This document

5. All specifications referenced in this document

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. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.

Document History

SAE AMS7271
December 1, 2019
(R) Rubber: Acrylonitrile-Butadiene Rubber (NBR) Fuel and Low Temperature Resistant 60 - 70 Type “A” Hardness For Seals in Fuel Systems
Form This specification covers an acrylonitrile-butadiene rubber in the form of molded rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications....
May 1, 2010
Rings, Sealing, Butadiene-Acrylonitrile (NBR) Rubber Fuel and Low Temperature Resistant 60 - 70
Form This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. Application These rings have been used typically for sealing at temperatures as low as -67 °F...
October 1, 1992
Rings, Sealing, Butadiene-Acrylonitrile (NBR) Rubber Fuel and Low Temperature Resistant 60 - 70
SCOPE: Form: This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. Application: These rings have been used typically for sealing at temperatures as low as...
October 1, 1992
Rings, Sealing, Butadiene-Acrylonitrile (NBR) Rubber Fuel and Low Temperature Resistant 60 - 70
1. SCOPE: 1.1 Form: This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. 1.2 Application: These rings have been used typically for sealing at temperatures as...
October 1, 1986
RINGS, SEALING, BUTADIENE-ACRYLONITRILE (NBR) RUBBER Fuel and Low Temperature Resistant 60 - 70
Form: This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. Application: Sealing rings for use at temperatures as low as -55° c (-65° F) where resistance to...
July 15, 1980
RINGS, SEALING, NITRILE RUBBER Fuel and Low Temperature Resistant 60 - 70
Form: This specification covers a nitrile rubber in the form of molded rings. Application: Sealing rings for use at temperatures as low as -55ºC (-67ºF) where resistance to fuel is required. The...
September 30, 1966
RINGS, SEALING, SYNTHETIC RUBBER Fuel and Low Temperature Resistant 60 - 70
APPLICATION: Sealing rings for use at temperatures as low as -55 C (-67 F) where resistance to fuel is required. The cross-section of such rings is usually not over 3/16 in. in diameter or thickness....
February 15, 1965
RINGS, SEALING, SYNTHETIC RUBBER Fuel and Low Temperature Resistant 60 - 70
APPLICATION: Sealing rings for use at temperatures as low as -55 C (-67 F) where resistance to fuel is required. The cross-section of such rings is usually not over 3/16 in. in diameter or thickness....
January 15, 1962
RINGS, SEALING, SYNTHETIC RUBBER Fuel and Low Temperature Resistant (60 - 70)
APPLICATION: Sealing rings for use at temperatures as low as -65 F where resistance to fuel is required. The cross-section of such rings is usually not over 3/16 in. in diameter or thickness. Not...
April 15, 1958
RINGS, SEALING, SYNTHETIC RUBBER Fuel and Low Temperature Resistant (60 - 70)
APPLICATION: Sealing rings for use at temperatures as low as -65 F where resistance to fuel is required. The cross-section of such rings is usually not over 3/16 in. in diameter or thickness. Not...
July 1, 1957
RINGS, SEALING, SYNTHETIC RUBBER Fuel and Low Temperature Resistant (60 - 70)
APPLICATION: Sealing rings for use at temperatures as low as -65 F where resistance to fuel is required. The cross-section of such rings is usually not over 3/16 in. in diameter or thickness. Not...
June 15, 1953
RINGS, SEALING, SYNTHETIC RUBBER Fuel and Low Temperature Resistant (60-70) (Interim)
APPLICATION: Sealing rings for use at temperatures as low as -65 F where resistance to fuel is required. The cross-section of such rings is usually not over 3/16 in. in diameter or thickness. Not...

References

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