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National Stock Number:
5305-01-578-3794
Federal Supply Class:
5305
National Item Identification Number:
015783794
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:
| 23-09432 | 79431 | FREIGHTLINER CORP | | 23-09440-425 | 64678 | DAIMLER TRUCK NORTH AMERICA LLC | | 23-09440-425 | 79431 | FREIGHTLINER CORP |
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Techincal Specification:
| FASTENER LENGTH | 4.250 INCHES NOMINAL | | HEAD HEIGHT | 0.323 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | GRADE 8/8.2 IAW 81343 SAE J429 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CAP HEX, GRADE 8/8.2 | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIFICATION/STANDARD DATA | 80204-ASME B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 79431 49-00006-041 MFR REF ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | OIL OVERALL AND PHOSPHATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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