Bearings, Roller, Needle, Airframe, Antifriction, Inch
AS39901B
This standard covers the requirements for non-separable, airframe anti-friction needle bearings, corrosion resistant and traditional materials, intended for use in flight vehicle control systems, with radial loads. Under Department of Defense (DoD) Policies and Procedures, any qualification requirements and associated Qualified Products Lists (QPLs) are mandatory for DoD contracts. Any material relating to QPLs have not been adopted by SAE and are not part of this SAE technical document.
Rationale:
The reason for updating this document is to include AS5927, AS5928, and AS5929 corrosion resistant bearings, update standards referenced in the document and to clarify the definition of Section 3.1.1 Product Change. Additional updates were also done to meet the current SAE Aerospace Technical Report Style Manual dated January 2008.
Related Topics:
Bearings
Ferrous metals
Identification numbers
Heat treatment
Manufacturing processes
Also known as: SAE AS 39901
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