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National Stock Number:
5325-00-948-6612
Federal Supply Class:
5325
National Item Identification Number:
009486612
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:
| 6840421-2 | 63005 | ROLLS-ROYCE CORPORATION | | 6840421-2 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL | | FLANGE DIAMETER | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM | | FLANGE THICKNESS | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | FULL INTERNAL THREAD LENGTH | 0.345 INCHES NOMINAL | | INSERT SIZE | 5/16 IN.-24 UNF /NONSTD/ 0.290 IN. MIN,0.2918 IN. MAX PITCH DIA | | LENGTH | 0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | WIDTH ACROSS FLATS | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL |
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