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National Stock Number:
5305-00-253-5631
Federal Supply Class:
5305
National Item Identification Number:
002535631
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:
| MS21318-57 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS21318-57 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) | | NONMACHINE NOMINAL THREAD DIAMETER | 0.239 INCHES | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | HEAD STYLE | ROUND | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND | | 0.457 INCHES MAXIMUM | | HEAD HEIGHT | 0.155 INCHES MINIMUM AND | | 0.170 INCHES MAXIMUM | | PILOT DIAMETER | 0.198 INCHES MINIMUM AND | | 0.202 INCHES MAXIMUM | | PILOT LENGTH | 0.062 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED |
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