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E-25 General Standards for Aerospace and Propulsion Systems Coatings, colorants, and finishes Rotary-wing aircraft Rollover accidents Vehicle dynamics Fibers

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Standard

Undercuts for Straight Screw Threads - Metric
2018-08-23
HISTORICAL
MA1508
This SAE Aerospace Standard (MA) provides recommended dimensional data for screw thread undercuts for straight “MJ” metric screw threads in accordance with MA1370.
Standard

Thread Inspection Practices
2020-02-03
CURRENT
AS5870
This document addresses AS8879 thread inspection issues relating to selection, usage and capability of gages. It addresses the selection of calibrated measurement gages, the need for defined quality metrics, the methodology of determining the appropriate guardband factors, and the minimum inspection requirements for single element pitch diameter gages. Users of this document shall apply the information described herein for the evaluation of the capability of their measurements based on the measurement consumer risk. It involves the analysis of the measurement (product) distribution and biases of both the product and measurement system distributions. It protects the consumer from the worst case distribution results. A whitepaper has been developed to provide supporting documentation and the rationale used in the development of this standard. This whitepaper will be published by the SAE as an Aerospace Information Report (AIR6553).
Standard

TORQUE TIGHTENING THREADED FASTENERS
1995-05-01
HISTORICAL
AIR1471
To supply information on recommended assembly torque limits for tension type nuts and bolts of the following materials and plating combinations given in Table I.
Standard

Surface Finish (RMS)
2006-05-04
HISTORICAL
AS107D
This standard provides a method for the application of surface finish control primarily to aircraft engine and propeller parts. Recommendations for a Surface Roughness Standard are contained in A.S.A. publication B46 and this S.A.E. Aeronautical Standard contains a summary of information therein plus other information which has been compiled from current manufacturing practice.
Standard

Surface Finish (RMS)
2013-01-04
CURRENT
AS107E
This standard provides a method for the application of surface finish control primarily to aircraft engine and propeller parts. Recommendations for a Surface Roughness Standard are contained in A.S.A. publication B46 and this S.A.E. Aeronautical Standard contains a summary of information therein plus other information which has been compiled from current manufacturing practice.
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

Stud, Locked In, Ring Locked, Serrated, General Specification For
2007-07-05
HISTORICAL
AS45909
The specification covers the requirements for locked-in studs. The method of locking in the stud is by means of a serrated collar and an accessory lockring with matching serrations installed within the parent material to prevent rotation.
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.
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