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National Stock Number:
5325-01-201-1027
Federal Supply Class:
5325
National Item Identification Number:
012011027
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:
| 2301160 | 22380 | DRS PHOTRONICS, INC. DBA DRS PHOTRONICS, INC. | | 2301160 | 54089 | DRS C3 & AVIATION COMPANY |
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Techincal Specification:
| FEATURES PROVIDED | INDIVIDUALLY KEYED | | FLANGE DIAMETER | 1.250 INCHES NOMINAL | | FLANGE THICKNESS | 0.130 INCHES NOMINAL | | FULL INTERNAL THREAD LENGTH | 0.280 INCHES NOMINAL | | INSERT SIZE | 0.750-16 UNF-3A | | LENGTH | 0.750 INCHES NOMINAL | | SPECIAL FEATURES | HEAT TREAT TO RC 55-60 PER MIL-H-6875; SURFACE TREAT BLACK CHROME PER MIL-P-14538; UNDERCUT PROVIDED 0.060 WIDE LOCATED 0.340 FROM FLANCE; COUNTERBORED 0.500-20 UNF-2B,0.190 DEEP | | STYLE DESIGNATOR | BLIND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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