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National Stock Number:
5305-01-566-5470
Federal Supply Class:
5305
National Item Identification Number:
015665470
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:
| 91257A772 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 3.750 INCHES NOMINAL | | HEAD HEIGHT | 0.359 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | WIDTH BETWEEN FLATS | 0.813 INCHES NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.375 INCHES MINIMUM AND 1.813 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNC |
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