5340-01-267-6440 INSERT,SCREW THREAD Index 5325-01-267-6442 INSERT,SCREW THREAD

National Stock Number:
5325-01-267-6441

Federal Supply Class:
5325

National Item Identification Number:
012676441

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:
MS51831CA20496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FULL INTERNAL THREAD LENGTH0.430 INCHES NOMINAL
INSERT SIZE0.5625-12 UNC 2A
INTERNAL THREAD RELIEF DEPTH0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.375 INCHES
STYLE DESIGNATORKEYLOCK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.430 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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