5325-01-014-4622 INSERT,SCREW THREAD Index 5305-01-014-4628 SCREW,MACHINE

National Stock Number:
5325-01-014-4623

Federal Supply Class:
5325

National Item Identification Number:
010144623

Description:
INSERT,SCREW THREAD

Detail:
A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on its underportion which can be clinched or crimped. Excludes BUSHING, MACHINE THREAD; NUT, PLAIN, KNURLED; NUT, PLAIN, ROUND; NUT, PLAIN, CLINCH and NUT, SELF-LOCKING, CLINCH. See also NUT, PLAIN, PLATE.


Manufacturer Information:
3591-4CNW075001556STANLEY ENGINEERED FASTENING LLC
3591-4CNW75001556STANLEY ENGINEERED FASTENING LLC
MS21209F4-30L80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NASM2120980205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21209F4-30L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
INSERT SIZE0.306 IN. MIN 0.326 IN. MAX FREE OD
LENGTH0.750 INCHES NOMINAL
NOMINAL THREAD SIZE0.250 INCHES
SPECIAL FEATURESCOATED WITH DRY FILM LUBRICANT MIL-L-8937
STYLE DESIGNATORCOIL
THREAD CLASS3B
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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