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National Stock Number:
5305-01-099-4959
Federal Supply Class:
5305
National Item Identification Number:
010994959
Description:
SCREW,TAPPING
Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
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Manufacturer Information:
| SW14342P1 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | SW14342P1 | 98255 | DRS SUSTAINMENT SYSTEMS INC |
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Techincal Specification:
| NONMACHINE THREAD STYLE | DOUBLE FLUTE (TYPE F) | | NONMACHINE NOMINAL THREAD DIAMETER | 0.312 INCHES | | FASTENER LENGTH | 2.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.568 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | TORX | | SPLINE MAJOR DIAMETER | 0.266 INCHES NOMINAL |
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