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SAE AS1946

Revision F, December 2018

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Hose Assembly, Polytetrafluoroethylene, Metallic Reinforced, Up to 1500 psi and 450 °F, Hydraulic and Pneumatic

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Product Details:

  • Revision: Revision F, December 2018
  • Published Date: December 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 25
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:


This SAE Aerospace Standard (AS) defines the requirements for polytetrafluoroethylene (PTFE) lined, metallic reinforced, hose assemblies suitable for use in aerospace hydraulic, fuel, and lubricating oil systems at temperatures between -67 °F and 450 °F for Class I assemblies, -67 °F and 275 °F for Class II assemblies, and at nominal pressures up to 1500 psi. The hose assemblies are also suitable for use within the same temperature and pressure limitations in aerospace pneumatic systems where some gaseous diffusion through the wall of the PTFE liner can be tolerated.

The use of these hose assemblies in pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this standard, for example oxygen, shall be subject to the approval of the procuring activity.


Hose assemblies furnished under this document shall be of the following classes:

a. Class I: All corrosion resistant steel, or nickel alloy or titanium combination fittings, 450 °F

b. Class II: Combination aluminum alloy and corrosion resistant steel fittings, 275 °F, size -08 and larger

Hose assemblies furnished under this document may be of the following types. If no type is defined, then Type A shall prevail.

a. Type A: Permanently attached fittings

b. Type B: Field attachable (re-usable) fittings, size -04 and larger
AIA/NAS Aerospace Standards