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National Stock Number:
5305-00-699-6995
Federal Supply Class:
5305
National Item Identification Number:
006996995
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:
| 187058 | 00000 | ORDNANCE CORPS | | 187058 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| HEAD HEIGHT | 0.190 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | WIDTH BETWEEN FLATS | 0.426 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
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