Bolts, Screws and Nuts - External Wrenching Unj Thread, Inch - Design Standard

The scope of this document is to define the following dimensional requirements for hexagon and double hexagon head bolts and nuts having a minimum tensile strength ranging up to 220 ksi. a. Head dimensions (see 3.1); b. shank dimensions (see 3.2); c. geometric control (see 3.3); d. surface texture (see 3.4); and e. dimensions for nuts (see Section 4).

For design calculations the SAE AS 8879 coarse threads, UNJC, shall be used for 0.164 size and smaller and fine threads, UNJF, for larger sizes.

For particulars of thread runout and lead threads for bolts, see SAE AS 3062.

To establish design requirements for bolts, screws and nuts in the UNJ thread inch series primarily for use on propulsion systems.

As defined by the Federal Cataloging System, thread sizes less than 0.190 are referred to as screws and larger are referred to as bolts. For the purpose of this document, the term bolt will be used for all sizes.

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Current & Historical versions of this standard
Standard	Date published	?Status
AS1132H	2008-10-17	Revised
AS1132G	2004-03-19	Revised
AS1132F	1998-11-01	Reaffirmed
AS1132E	1996-02-01	Revised
AS1132D	1992-12-04	Revised
AS1132C	1979-10-01	Revised
AS1132B	1976-02-02	Revised
AS1132A	1971-10-01	Revised
AS1132	1970-02-01	Issued