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National Stock Number:
5305-00-016-6778
Federal Supply Class:
5305
National Item Identification Number:
000166778
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:
| 166778 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | 166778 | 24617 | GENERAL MOTORS CORP | | 27P1011 | 12472 | LOCKWOOD CORP | | 166778 | 56442 | DIAMOND REO TRUCK CO | | 955618 | 58275 | SASCO INC CANADIAN DIV | | 166778 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| NONMACHINE THREAD STYLE | THRU SLOT (TYPE D) | | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | HEAD STYLE | ROUND | | HEAD DIAMETER | 0.443 INCHES MINIMUM AND | | 0.472 INCHES MAXIMUM | | HEAD HEIGHT | 0.160 INCHES MINIMUM AND | | 0.175 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | FEATURES PROVIDED | CASEHARDENED |
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