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National Stock Number:
5305-01-585-3186
Federal Supply Class:
5305
National Item Identification Number:
015853186
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:
| NASM21318-3 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.090 INCHES MINIMUM AND 0.099 INCHES MAXIMUM | | HEAD HEIGHT | 0.026 INCHES MINIMUM AND 0.034 INCHES MAXIMUM | | HEAD STYLE | ROUND | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS-21318 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.060 INCHES | | NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, DRIVE, ROUND HEAD, TYPE U, STEEL, CARBON, CADMIUM PLATED | | PILOT DIAMETER | 0.046 INCHES MINIMUM AND 0.049 INCHES MAXIMUM | | PILOT LENGTH | 0.047 INCHES NOMINAL | | SPECIAL FEATURES | NOMINAL SIZE IS 0.058 OR NO. 00, 6 THRDS IN CIRCUMFERENCE, RECOMMENDED HOLE SIZE = 0.05267, DRILL SIZE = 55 | | SURFACE TREATMENT | CADMIUM OVERALL |
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