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National Stock Number:
5305-01-390-2874
Federal Supply Class:
5305
National Item Identification Number:
013902874
Description:
SCREW,DRIVE
Detail:
A HARDENED CYLINDRICAL FASTENER WITH MULTIPLE SPIRAL FLUTES ON ITS SHANK. IT ALSO HAS AN END SMALLER IN DIAMETER THAN THE OUTSIDE DIAMETER OF THE SPIRAL FLUTES, WHICH ACTS AS A PILOT WHEN DRIVEN INTO A DRILLED HOLE.
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Manufacturer Information:
| 12387333-47 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| COLOR | BRONZE OR OLIVE DRAB OVERALL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD DIAMETER | 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM | | HEAD HEIGHT | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM | | HEAD STYLE | ROUND | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.179 INCHES | | NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) | | PILOT DIAMETER | 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | PILOT LENGTH | 0.062 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171, 1.9.2.3 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
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