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Lubricant, Cetyl Alcohol, 1-Hexadecanol, Application to Fasteners

2024-02-28
WIP
AS87132A
This specification establishes the requirements for flake or granular cetyl alcohol, solvents for dissolving the cetyl alcohol, preparation and application requirements for use of cetyl alcohol as an installation lubricant on mechanical fasteners, such as pins, bolts, nuts, washers, threaded or nonthreaded fastening devices, and inspection criteria for coated parts.
Standard

Spacers and Washers, Procurement Specification for, Metric

2024-02-28
WIP
MA1784B
This specification covers metric aircraft quality spacers for use as positioners for tubes, flat washers for use as load spreaders, galling protection of adjacent surfaces and or material compatibility, and key or tab washers for use as locks for bolts, nuts, and screws.
Standard

Undercuts for Straight Screw Threads - Metric

2024-02-28
WIP
MA1508A
This SAE Aerospace Standard (MA) provides recommended dimensional data for screw thread undercuts for straight "MJ" metric screw threads in accordance with MA1370.
Standard

Screw Threads - MJ Profile, Metric

2024-02-28
WIP
MA1370A
This standard specifies the characteristics of the MJ profile metric series of screw threads, altered from ISO 68 M Profile, to include a mandatory controlled radius of 0.18042P to 0.15011P at the root of the external thread and with the minor diameter of both external and internal threads increased to provide a basic thread height of 0.5625H in order to accommodate the external thread maximum root radius. The following detailed requirements are included: a. MJ basic profile and design profiles b. Standard series of diameter-pitch combinations for nominal thread diameters from 1.6 to 200 MM c. Standard thread classes and form tolerances d. Formulae for thread dimensions and tolerances e. Method of designating MJ threads f. Inspection requirement g. Tables for selected diameter-pitch combinations for aerospace screws, bolts, nuts, shaft and bearing retaining screw threads, and fluid fittings thread sizes. h. Tables for MJ screw threads limiting dimensions and tolerances i.
Standard

Aluminum Rivets, UNS A92117, 2.5Cu - 0.3Mg (2117-T4), Procurement Specification

2024-02-23
WIP
AS7222B
This procurement specification covers rivets made from an aluminum alloy designated as 2117-T4, solution treated. The following specification designations and their rivet coatings are covered:AS7222 Rivets anodized per AMS 2470, chromic acid processAS7222-1 Rivets anodized per AMS 2471, sulfuric acid process
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