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National Stock Number:
5305-00-281-6000
Federal Supply Class:
5305
National Item Identification Number:
002816000
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 | 0.750 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM | | HEAD HEIGHT | 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | HEAD STYLE | ROUND | | NONDEFINITIVE SPEC/STD DATA | B TYPE | | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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