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SAE AS6235 Rev A

Historical Revision

Face Seal Gland Design, Static, O-Ring and Other Seals for Aerospace Hydraulic and Pneumatic Applications

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This SAE Aerospace Standard (AS) specifies standardized gland design criteria and dimensions for static face seals for internal pressure and external pressure applications for aerospace hydraulic and pneumatic applications using the same size range as AS4716 and AS5857 where applicable. Some small diameter sizes are excluded because they are not practical. The glands have been specifically designed for applications using AS568 size elastomeric O-rings with related Class 2 tolerances at nominal system operating pressures up to 3,000 psi (20,680 kPa) utilizing no anti-extrusion (backup) rings. While the gland dimensions herein have been designed for pressures up to 3,000 psi (20,680 kPa) these glands may be used for higher pressures, but extra precautions need to be taken and testing should be performed to ensure integrity of performance. This specification covers the basic design criteria and recommendations for use with standard size elastomeric O-rings, however, these glands are also suitable for use with other elastomeric and polytetrafluoroethylene (PTFE) based seal geometries.

SDO SAE: SAE International
Document Number AS6235
Publication Date Dec. 19, 2015
Language en - English
Page Count 78
Revision Level A
Supercedes
Committee
Publish Date Document Id Type View
Nov. 9, 2021 AS6235B Revision
Dec. 19, 2015 AS6235A Revision
Sept. 30, 2014 AS6235 Revision
Nov. 19, 1956 AS6235-2 Revision