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Standard

O-Ring Groove Design for Packing Preformed, Elastomeric O-Ring Seals, Static, Radial Squeeze, Metric

2020-08-11
WIP
MAP3440A
This recommended practice provides the design criteria for static elastomeric O-Ring seals used specifically in engine and engine control systems. It provides radial compression groove dimensions for aerospace metric O-Ring sizes specified in MA2010. The conditions considered to formulate the design criteria are also described, e.g., seal stretch, cross-section reduction, seal squeeze and swell.
Standard

O-Ring Molded from AMS7274 Material

2020-01-09
CURRENT
AS3570A
This standard establishes the dimensional and visual quality requirements, lot requirements, and packaging and labeling requirements for O-rings molded from AMS7274 rubber. It shall be used for procurement purposes.
Standard

Gland Design, Elastomeric O-Ring Seals, Dynamic Radial, 1500 psi Max

2018-12-19
WIP
ARP1233B
The purpose of this document is to provide the aerospace industry with standardized dimensional criteria for dynamic radial elastomeric O-ring seal glands. It is intended for use in conjunction with ARP 1231, "Gland Design, Elastomeric O-Ring Seals, General Considerations". This document establishes standard gland design criteria and dimensions for dynamic radial O-ring seal applications and provides recommendations for modifying these glands in special applications. There are no provisions in this document for anti- extrusion devices.
Standard

Gland Design, Elastomeric O-Ring Seals, Static Axial, Without Back-Up Rings

2018-12-19
WIP
ARP1234C
The purpose of this document is to provide the aerospace industry with standardized dimensional criteria for static axial elastomeric O-ring seal glands, without back-up rings. It supplements ARP 1231, "Gland Design, Elastomeric O-Ring Seals, General Considerations". This document establishes standard gland design criteria and dimensions for static axial O-ring seal applications without anti-extrusion devices. SI Unit conversions for U.S. Customary Units have been provided for reference purposes. The criteria herein are similar, but not identical, to those in MIL-G-5514.
Standard

Gland Design, Elastomeric O-Ring Seals, Static Radial

2018-12-19
WIP
ARP1232C
This document establishes standard gland dimensions for static radial O-ring seal applications and provides recommendations for modifying these glands in applications. No provisions are made in this document for anti- extrusion devices. SI unit conversions for U.S. customary units have been provided for reference purposes.
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