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National Stock Number:
5325-00-845-8921
Federal Supply Class:
5325
National Item Identification Number:
008458921
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:
| 115-0206-002 | 94756 | THE BOEING COMPANY | | F52-224-5 | 72314 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | KNC0440 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | KNC0440J | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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Techincal Specification:
| FULL INTERNAL THREAD LENGTH | 0.145 INCHES MINIMUM | | INSERT SIZE | 0.190-32 UNF 3A | | INTERNAL THREAD RELIEF DEPTH | 0.015 INCHES NOMINAL | | LENGTH | 0.160 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.112 INCHES | | STYLE DESIGNATOR | GROOVED KEYLOCK | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3B | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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