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National Stock Number:
5325-00-068-6903
Federal Supply Class:
5325
National Item Identification Number:
000686903
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:
| 4819278-1 | 18355 | THE BOEING COMPANY | | 4819278-1 | 88277 | THE BOEING COMPANY | | 48192781-1 | 22075 | HB PERFORMANCE SYSTEMS | | 48192781-1 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| FLANGE THICKNESS | 0.125 INCHES NOMINAL | | INSERT SIZE | 0.374 IN MIN 0.376 IN MAX | | LENGTH | 0.500 INCHES NOMINAL | | SPECIAL FEATURES | GROOVE ON OD 0.063 IN FROM END OPPOSITE FLANGE 0.029 IN P .003 M .000 W BY 0.352 IN PORM 0.002 DIA UNDERCUT,THD END OPPOSITE FLANGE COUNTERSUNK 90 DEG BY 0.344 IN DIA,HEX FLANGE WITH 2 HOLES 0.046 IN MIN 0.056 IN MAX DIA DRILLED PARALLEL TO 2 HEX FLATS | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | STYLE DESIGNATOR | FLANGE | | SURFACE TREATMENT | PASSIVATE OVERALL |
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