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National Stock Number:
5305-00-042-7251
Federal Supply Class:
5305
National Item Identification Number:
000427251
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:
| 427251 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | FFS107TYPEBPSTYLE6S | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.216 INCHES | | NONMACHINE THREAD STYLE | CONE POINT (TYPE BP) |
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