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SAE AS4716

Revision C, December 1, 2017

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(R) Gland Design, O-ring and Other Seals

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Product Details:

  • Revision: Revision C, December 1, 2017
  • Published Date: December 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 51
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

This SAE Aerospace Standard (AS) provides standardized gland (groove) design criteria and dimensions for O-ring seal glands for static and dynamic applications, and other seals.

Field of Application

The glands have been specifically designed for applications using AS568 size O-rings at pressures exceeding 1500 psi (10340 kPa) utilizing one or two anti-extrusion (backup) rings and applications at pressures below 1500 psi (10340 kPa) without backup rings. The glands have been sized to provide sufficient squeeze for effective sealing while at the same time limiting squeeze to allow satisfactory operation in dynamic applications.

While this specification covers the basic design criteria and recommendations for use with standard size O-rings, these glands may also be suitable for use with other elastomeric seals and elastomeric and mechanically energized plastic (nonelastomer) based seals.

NOTE: For static external applications i.e. where the application is overboard and sealing to atmosphere, the glands should be designed in accordance with AS5857.
AIA/NAS Aerospace Standards