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National Stock Number:
5305-01-615-4449
Federal Supply Class:
5305
National Item Identification Number:
016154449
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:
| 91257A567 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | COLOR | YELLOW OVERALL | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | HARDNESS RATING | 33.0 ROCKWELL C NOMINAL OVERALL | | HEAD HEIGHT | 0.1562 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HIGH STRENGTH STEEL HEAD HEAD CAP SCREW | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 0.4375 INCHES NOMINAL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | THREAD CLASS | 2A |
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