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National Stock Number:
5305-01-530-5935
Federal Supply Class:
5305
National Item Identification Number:
015305935
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:
| H5Z 050 0325 13 | 3HCG0 | BUILDING FASTENERS OF MINNESOTA INCORPORATED DBA BUILDING FASTENERS |
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Techincal Specification:
| FASTENER LENGTH | 3.250 INCHES NOMINAL | | HEAD HEIGHT | 0.310 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | CARSCREW | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | GRADE 5, MED. STRENGTH | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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