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National Stock Number: 5325-01-519-6323
Federal Supply Class: 5325
National Item Identification Number: 015196323
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.
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Manufacturer Information:
NAS1836-4N17 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
FLANGE DIAMETER | 0.498 INCHES NOMINAL | FLANGE THICKNESS | 0.060 INCHES NOMINAL | INSERT SIZE | 1/4 X 28 | LENGTH | 0.279 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL OVERALL | NOMINAL THREAD SIZE | 0.250 INCHES | SLOT DEPTH | 0.060 INCHES NOMINAL | SLOT WIDTH | 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM | STYLE DESIGNATOR | FLANGE | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3B | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.279 INCHES NOMINAL | THREAD SERIES DESIGNATOR | UNJF | THREAD QUANTITY PER INCH | 28 |
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