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Standard

Color Identification for O-ring Seals

1985-09-01
HISTORICAL
ARP1832
This Aerospace Recommended Practice sets forth the guidelines for the use of non-black O-ring seals. Black is the preferred color for polymer types other than Silicone and Fluorosilicone. When a color other than black is to be used, those established by this document are the preferred.
Standard

Color Identification for O-ring Seals

2011-09-20
CURRENT
ARP1832A
This Aerospace Recommended Practice sets forth the guidelines for the use of non-black O-ring seals. Black is the preferred color for polymer types other than Silicone and Fluorosilicone. When a color other than black is to be used, those established by this document are the preferred.
Standard

Suitable Test Sizes for O-ring Specifications

2012-09-11
WIP
ARP3050A
There are many tests that have been developed to characterize rubber O-rings. Many of these tests are independent of the size of the O-ring being tested. However, there are some tests, specifically, stress/strain properties, that are a function of the O-ring's size. The purpose of this report is to provide guidelines for specifying O-rings that would be considered "suitable for testing " when writing O-ring material specifications.
Standard

Suitable Test Sizes for O-ring Specifications

2007-02-21
CURRENT
ARP3050
There are many tests that have been developed to characterize rubber O-rings. Many of these tests are independent of the size of the O-ring being tested. However, there are some tests, specifically, stress/strain properties, that are a function of the O-ring’s size. The purpose of this report is to provide guidelines for specifying O-rings that would be considered “suitable for testing” when writing O-ring material specifications.
Standard

Rubber: Butadiene-Acrylonitrile (NBR) For Elastomeric Seals in Aircraft Petrouleum Based Hydraulics Systems and Shock Struts

2007-08-16
WIP
CE07AB
Form: This specification covers hydraulic fluid resistant Butadiene-Acrylonitrile (NBR) rubber used to produce seals, gaskets and other molded products. 1.2 Application: These products have been used typically for contact with petroleum based hydraulic fluids conforming to MIL-PRF-5606 and MIL-PRF-6083 and Type 1 and Type 2 shock strut fluids, but usage is not limited to such applications. Each application should be considered separately. This butadiene-acrylonitrile rubber (NBR) has a service temperature range of -65 to +275 F (-54 to +135 C) for hydraulic fluids and -65 to +175 F (-54 to +80 C) for shock strut fluids. 1.3 Safety - Hazardous Materials: While the materials, methods, applications and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards involved in such use.
Standard

Rubber: Butadiene-Acrylonitrile (NBR) For Elastomeric Seals in Aircraft Synthetic Hydrocarbon Based Hydraulics Systems

2007-08-16
WIP
CE07AA
Form: This specification covers hydraulic fluid resistant Butadiene-Acrylonitrile (NBR) rubber used to produce seals, gaskets and other molded products. 1.2 Application: This material is used typically for contact with synthetic hydraulic fluids conforming to MIL-PRF-83282, MIL-PRF-46170 and MIL-PRF-87257, but usage is not limited to such applications. Each application should be considered separately. This material has a service temperature range of -65 to +275F (-54 to +135C). 1.3 Safety - Hazardous Materials: While the materials, methods, applications and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.
Standard

Manufacturing Processing Requirements for Molded Elastomer Components Used in Aerospace Applications

2017-06-22
CURRENT
AS6414A
This specification is applicable to the processes that are used in the manufacture of aerospace elastomer parts utilizing materials conforming to AMS7XXX series specifications, user specifications, or print on a Purchase Order (PO) that calls out this document for aerospace applications. The elastomer parts are in the form of O-rings, plate seals and other compression seals.
Standard

Manufacturing Processing Requirements for Molded Elastomer Components Used in Aerospace Applications

2016-08-12
HISTORICAL
AS6414
This specification is applicable to the processes that are used in the manufacture of aerospace elastomer parts utilizing materials conforming to AMS7XXX series specifications, user specifications, or print on a Purchase Order (PO) that calls out this document for aerospace applications. The elastomer parts are in the form of O-rings, plate seals and other compression seals.
Standard

Top Visual Quality (Tvq) O-Ring Packings and Gaskets - Surface Inspection Guide and Acceptance Standard

1965-11-01
HISTORICAL
AS708
This standard establishes the inspection requirements and acceptance standards for optimum surface finish O-ring packings and gaskets. (This is not an O-ring specification per se). This standard must be used in conjunction with an O-ring drawing and/or material specification. This standard is to be specified only where stringent performance requirements are necessary.
Standard

Top Visual Quality (Tvq) O-Ring Packings and Gaskets - Surface Inspection Guide and Acceptance Standard

1990-10-05
HISTORICAL
AS708A
This standard establishes the inspection requirements and acceptance standards for optimum surface finish O-ring packings and gaskets. (This is not an O-ring specification per se). This standard must be used in conjunction with an O-ring drawing and/or material specification. This standard is to be specified only where stringent performance requirements are necessary.
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