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National Stock Number:
5305-00-285-7454
Federal Supply Class:
5305
National Item Identification Number:
002857454
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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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD DIAMETER | 0.257 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | HEAD HEIGHT | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES | | NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) | | SURFACE TREATMENT | CADMIUM OVERALL |
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