5340-01-398-9412 STANDOFF,THREADED,SPACING Index 3120-01-398-9414 BUSHING,SLEEVE

National Stock Number:
5325-01-398-9413

Federal Supply Class:
5325

National Item Identification Number:
013989413

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:
MS51831CA21196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FULL INTERNAL THREAD LENGTH1.275 INCHES NOMINAL
INSERT SIZE1-3/8-12UNF-2A
INTERNAL THREAD RELIEF DEPTH0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
LENGTH1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE PIN
NOMINAL THREAD SIZE1.000 INCHES
STYLE DESIGNATORKEYLOCK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE PIN
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.375 INCHES NOMINAL
THREAD QUANTITY PER INCH12
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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