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National Stock Number:
5305-01-549-5177
Federal Supply Class:
5305
National Item Identification Number:
015495177
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:
| 347/23911 | 0JKF0 | JCB INC. | | 92620A583 | 3A054 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.391 INCHES MAXIMUM | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.203 INCHES NOMINAL | | HEAD STYLE | CROWNED HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD CAP SCREW | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 150 POUNDS PER SQUARE INCH | | SPECIFICATION/STANDARD DATA | 81343 - SAE J429 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION | | SUPPLEMENTARY FEATURES | MATERIAL IS GRADE 8 ALLOY STEEL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM AND 1.188 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
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