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National Stock Number:
5305-00-483-9340
Federal Supply Class:
5305
National Item Identification Number:
004839340
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 1900979 | 24617 | GENERAL MOTORS CORP | | 1900979 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 0.625 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.062 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 24617 | | DESIGN CONTROL REFERENCE | 1900979 |
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