5340-01-214-2898 SEAT,HELICAL COMPRESSION SPRING Index 5325-01-214-2900 INSERT,SCREW THREAD

National Stock Number:
5325-01-214-2899

Federal Supply Class:
5325

National Item Identification Number:
012142899

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:
MS51831-111L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FEATURES PROVIDEDINDIVIDUALLY KEYED
FULL INTERNAL THREAD LENGTH1.375 INCHES MINIMUM AND 1.425 INCHES MAXIMUM
INSERT SIZE1.375-12UNF-2A
INTERNAL THREAD RELIEF DEPTH0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
LENGTH1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 COMP 303/303E ASSN STD SINGLE MATERIAL RESPONSE AND ASTM A582 COMP 303/303E ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE1.000 INCHES
SPECIAL FEATURESHAS INTERNAL THREAD LOCK
STYLE DESIGNATORGROOVED KEYLOCK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.400 INCHES NOMINAL
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUNJC


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