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Standard

O-Rings Molded from AMS7271 (Acrylonitrile-Butadiene) Material

2022-03-22
WIP
AS3578A
This standard establishes the dimensional and visual quality requirements, lot requirements and packaging and labeling requirements for O-rings molded from AMS7271 (Acrylonitrile-Butadiene - NBR) rubber. It shall be used for procurement purposes.
Standard

Static Axial O-Ring Seal Applications Without Anti-Extrusion Devices for Engine and Engine Control Systems

2021-08-26
HISTORICAL
ARP1234D
This document establishes standard gland design criteria and dimensions for static axial O-ring seal applications without anti-extrusion devices specifically for engines and engine control systems operating at a maximum pressure of 1500 psi (10345 kPa). NOTE: The criteria herein are similar, but not identical, to those in AS4716 and the legacy standard MIL-G-5514.
Standard

Gland Design Criteria and Dimensions for Dynamic Radial O-Ring Seal Applications Specifically for Engine and Engine Control Systems Operating at 1500 psi Max

2021-04-14
CURRENT
ARP1233B
This document recommends standard gland design criteria and dimensions for dynamic radial O-ring seal applications specifically for engine and engine control systems operating at pressures up to a maximum of 1500 psi (10342.14 kPa) and provides recommendations for modifying these glands in special applications. There are no provisions in this document for anti-extrusion devices. NOTE: The criteria set forth here are similar to but not identical with those in MIL-G-5514 and AS4716. This document is not intended to replace MIL-G-5514 or AS4716 for hydraulic applications.
Standard

Static Axial O-Ring Seal Applications Without Anti-Extrusion Devices for Engine and Engine Control Systems

2020-11-09
HISTORICAL
ARP1234C
This document establishes standard gland design criteria and dimensions for static axial O-ring seal applications without anti-extrusion devices specifically for engines and engine control systems operating at a maximum pressure of 1500 psi (10345 kPa). NOTE: The criteria herein are similar, but not identical, to those in AS4716 and the legacy standard MIL-G-5514.
Standard

Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Single Turn, Scarf-Cut, For Use in AS4716 Glands

2020-08-25
HISTORICAL
AS5781B
This SAE Aerospace Standard (AS) specifies scarf-cut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are usually used in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings and other seals for static and dynamic applications. NOTE: This specification includes material tests but does not include hydraulic or pneumatic performance tests.
Standard

O-Ring Molded from AMS7601 Butyl Rubber

2020-06-02
CURRENT
AS7985
This standard establishes the dimensional and visual quality requirements, lot requirements and packaging and labeling requirements for O-rings molded from AMS7601 butyl rubber. It shall be used for procurement purposes.
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