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White Paper to Support Supersession of MIL-S-8879C With AS8879C

2018-08-23
HISTORICAL
AIR5926
This paper was prepared to support supersession of MIL-S-8879C with Screw Thread Conformity Task Force selected industry standard AS8879C, published by the Society of Automotive Engineers (SAE). Other documentation changes will be covered by separate papers. Separate papers are anticipated for thread gaging issues, and thread gage calibration procedures. The STC-TF decided that the thread design standard needed to be completed before thread gage definition could be addressed. Thread gage definition has to be known before calibration procedures can be addressed.
Standard

Torque Tightening Threaded Fasteners

2012-10-19
HISTORICAL
AIR1471A
The purpose of this SAE Aerospace Information Report (AIR) is to provide the aerospace propulsion industry with recommended assembly torque limits for commonly used aircraft propulsion system threaded fasteners when a common torque value per size is the objective.
Standard

Torque Tightening Threaded Fasteners

2018-03-04
CURRENT
AIR1471B
The purpose of this SAE Aerospace Information Report (AIR) is to provide the aerospace propulsion industry with recommended assembly torque limits for commonly used aircraft propulsion system threaded fasteners when a common torque value per size is the objective.
Standard

Studs, Steel, Low Alloy Heat Treated, Roll Threaded

2010-06-24
HISTORICAL
AS7456B
This procurement specification covers aircraft quality studs made from a low alloy steel of the type identified under the Unified Numbering System as UNS G87400, and of a series of room temperature tensile strengths ranging from 125 000 psi to 185 000 psi.
Standard

Stability of Aircraft Greases

1995-05-01
CURRENT
AIR41
The purpose of this information report is to summarize and document data regarding possible alternatives to the use of cadmium plating on hardware typical of the aerospace hose and fitting industry. To document and provide access to information obtained by an industry survey.
Standard

Splines, Involute (Full Fillet)

2004-07-23
HISTORICAL
AS84C
This SAE Aerospace Standard (AS) defines an involute with a 30° pressure angle and a full radius at the roots thus reducing the stress concentration in the area of the root.
Standard

Splines, Involute (Full Fillet)

2014-02-06
CURRENT
AS84D
This SAE Aerospace Standard (AS) defines an involute with a 30° pressure angle and a full radius at the roots thus reducing the stress concentration in the area of the root.
Standard

SURFACE ROUGHNESS (AA)

1955-07-01
HISTORICAL
AS291A
This standard provides a method for the application of surface roughness control primarily to aircraft engine and propeller parts. ASA publication B46 may be used to supplement the information compiled herein. This standard contains a summary of the information in ASA B46 publication plus other information which has been compiled from current manufacturing practice.
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