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Standard

Aerospace Size Standard for O-Rings

2001-03-01
HISTORICAL
AS568B
This Aerospace Standard specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available.
Standard

Aerospace Size Standard for O-Rings

2020-09-29
CURRENT
AS568F
This SAE Aerospace Standard (AS) specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available.
Standard

Aerospace Size Standard for O-rings

2008-12-03
HISTORICAL
AS568C
This Aerospace Standard specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available.
Standard

Aerospace Size Standard for O-rings

2014-03-11
HISTORICAL
AS568D
This SAE Aerospace Standard (AS) specifies the inside diameters, cross-sections, tolerances, and size identification codes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available.
Standard

Aerospace, Slipper Seals, Selection for Fluid Power Applications

2022-08-05
CURRENT
AIR1244B
This SAE Aerospace Information Report (AIR) provides basic information on the use of slipper seal sealing devices when used as piston (OD) and rod (ID) seals in aerospace fluid power components such as actuators, valves, and swivel joints, including: The definition of a slipper seal and the description of the basic types in use. Guidelines for selecting the type of slipper seal for a given design requirement are provided in terms of friction, leakage, service life, installation characteristics, and interchangeability.
Standard

GASKET, METALLIC, ENCASED, ANNULAR, COPPER

2021-12-13
CURRENT
AS35769C
THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS, AND PACKAGING AND LABELLING REQUIREMENTS FOR METALLIC-ENCASED COPPER GASKETS MANUFACTURED PER AMS-HH-G-101 TYPE III - STYLE J. IT SHALL BE USED FOR PROCUREMENT PURPOSES.
Standard

GLAND DESIGN, ELASTOMERIC O-RING SEALS, DYNAMIC RADIAL, 1500 PSI MAX

1995-05-01
HISTORICAL
ARP1233
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 RADIAL

1973-04-01
HISTORICAL
ARP1232
This document establishes standard gland dimensions for static radial O-ring seal applications and provides recommendations for modifying these glands in special 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.
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

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

2012-11-01
HISTORICAL
ARP1233A
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 Radial

2012-10-19
HISTORICAL
ARP1232B
This document establishes standard gland dimensions for static radial O-ring seal applications and provides recommendations for modifying these glands in special 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.
Standard

Hydraulic and Pneumatic Retainers (Back-Up Rings), Polytetrafluoroethylene (PTFE) Resin

2014-10-27
HISTORICAL
AS8791C
This specification and part standard covers polytetrafluoroethylene (PTFE) resin material and the dimensional requirements for scarf-cut retainers (back-up rings) previously covered by MIL-R-8791 and MIL-R-8791/1. The retainers are intended for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with seals and O-rings.
Standard

Hydraulic and Pneumatic Retainers (Back-Up Rings), Polytetrafluoroethylene (PTFE) Resin

2009-03-13
HISTORICAL
AS8791B
This specification and part standard covers polytetrafluoroethylene (PTFE) resin material and the dimensional requirements for retainers (back-up rings) previously covered by MIL-R-8791 and MIL-R-8791/1. The retainers are intended for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with packings and O-rings.
Standard

O-RING MOLDED FROM AMS-R-7362 NITRILE RUBBER MATERIAL

2021-09-15
CURRENT
AS29561C
THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUIREMENTS, LOT REQUIREMENTS AND PACKAGING AND LABELING REQUIREMENTS FOR O-RINGS MOLDED FROM AMS-R-7362 NITRILE RUBBER. IT SHALL BE USED FOR PROCUREMENT PURPOSES.
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