5325-01-158-9956 INSERT,SCREW THREAD Index 5365-01-158-9959 SPACER,FLAT IRREGUL

National Stock Number:
5325-01-158-9957

Federal Supply Class:
5325

National Item Identification Number:
011589957

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:
585R861H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION
5885R861H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
FEATURES PROVIDEDINDIVIDUALLY KEYED
INSERT SIZE0.562-18 UNF 2A
LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
NOMINAL THREAD SIZE0.250 INCHES
SPECIAL FEATURES2 SLOTS 0.109 IN. WIDE,0.075 IN. DEEP,180 DEGREES APART,LOCATED ALONG ENTIRE LENGTH
STYLE DESIGNATORPLAIN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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