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National Stock Number:
5305-01-549-9180
Federal Supply Class:
5305
National Item Identification Number:
015499180
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:
| 347/23873 | 0JKF0 | JCB INC. | | 92620A591 | 39428 | MCMASTER-CARR SUPPLY CO | | 92620A591 | 3A054 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.396 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 PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 150 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE J429 ASSN STD ALL TREATMENT RESPONSES OVERALL | | 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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