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National Stock Number:
5305-01-504-9781
Federal Supply Class:
5305
National Item Identification Number:
015049781
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:
| 03176141424 | 94231 | THE CHAMPION COMPANY | | 3HA509 | 45152 | OSHKOSH CORP | | 3HA509 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| FASTENER LENGTH | 9.312 INCHES MINIMUM AND 9.500 INCHES MAXIMUM | | HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CAP,HEXAGON HEAD, (FINISHED HEXAGON BOLT) STEEL, GRADE 5, UNC-2A | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY DIMENSIONS | | SPECIAL FEATURES | HEAD SHALL BE MARKED IN ACCORDANCE WITH MIL-HDBK-131; RAISED MARKINGS ARE PREFERRED, STAMPINGS ARE ACCEPTABLE | | SPECIFICATION/STANDARD DATA | 94231-17614 MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | SUPPLEMENTARY FEATURES | MIN. TENSILE STRENGTH-LBS. 40,100; DIM ACROSS CORNERS 1.254 MIN., 1.299 MAX.; RADIUS 0.020 MIN., 0.045 MAX.; THREADS IN ACCORDANCE WITH SCREW THREAD STANDARDS FOR FEDERAL SERVICES, HANDBOOK H28 | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 9.312 INCHES MINIMUM AND 9.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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