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National Stock Number:
5325-00-808-9094
Federal Supply Class:
5325
National Item Identification Number:
008089094
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:
| 753 | 05160 | MICHIGAN DYNAMICS INC | | 953D-2SE0250 | 01556 | EMHART TEKNOLOGIES LLC | | L424-7-4 | 01556 | EMHART TEKNOLOGIES LLC |
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Techincal Specification:
| BOTTOM PORTION UNTHREADED OUTSIDE LENGTH | 0.078 INCHES NOMINAL | | FEATURES PROVIDED | INDIVIDUALLY KEYED | | INSERT SIZE | 1/4 IN. -28 UNF OR NF CLASS 3A | | LENGTH | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIK-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL | | NOMINAL THREAD SIZE | 0.164 INCHES | | STYLE DESIGNATOR | KEYLOCK | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 | | TOP PORTION UNTHREADED OUTSIDE LENGTH | 0.037 INCHES MINIMUM AND 0.042 INCHES MAXIMUM | | TOP UNTHREADED PORTION OUTSIDE DIAMETER | 0.179 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
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