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National Stock Number:
5305-01-581-8433
Federal Supply Class:
5305
National Item Identification Number:
015818433
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:
| 92865A580 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 0.625 INCHES NOMINAL | | FASTENER LENGTH | 0.625 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 25.0 ROCKWELL C NOMINAL OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.203 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | GRADE 5 ZINC-PLATED STEEL HEX HEAD CAP SCREW | | SPECIAL FEATURES | GRADE: 5 |
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