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National Stock Number:
5305-01-611-3825
Federal Supply Class:
5305
National Item Identification Number:
016113825
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:
| 91247A853 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.750 INCHES MINIMUM AND | | 2.250 INCHES MAXIMUM | | FASTENER LENGTH | 4.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 10 | | THREAD CLASS | 2A | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 25.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.46875 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD CAP SCREW | | SPECIAL FEATURES | MATERIAL: GRADE 5 STEEL |
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