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National Stock Number:
5305-21-908-1937
Federal Supply Class:
5305
National Item Identification Number:
219081937
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:
| 245930 | 35679 | SINCLAIR TECHNOLOGIES INC. | | B-1124A | 94223 | SPAENAUR INC DBA SPAENAUR INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD HEIGHT | 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM | | HEAD STYLE | ROUND | | MATERIAL | STEEL OVERALL | | PILOT LENGTH | 0.047 INCHES NOMINAL | | PILOT DIAMETER | 0.096 INCHES NOMINAL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.112 INCHES | | NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) | | SUPPLEMENTARY FEATURES | CASEHARDENED | | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
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