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National Stock Number:
5305-00-285-1432
Federal Supply Class:
5305
National Item Identification Number:
002851432
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:
| 173639 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | FFS107TYPEUSTYLE1P | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.118 INCHES MINIMUM AND 0.127 INCHES MAXIMUM | | HEAD HEIGHT | 0.041 INCHES MINIMUM AND 0.049 INCHES MAXIMUM | | HEAD STYLE | ROUND | | MATERIAL | STEEL OVERALL | | NONDEFINITIVE SPEC/STD DATA | U TYPE AND 1P STYLE | | NONMACHINE NOMINAL THREAD DIAMETER | 0.073 INCHES | | PILOT DIAMETER | 0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM | | PILOT LENGTH | 0.045 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
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