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National Stock Number:
5305-01-577-7914
Federal Supply Class:
5305
National Item Identification Number:
015777914
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:
| 23-10744 | 79431 | FREIGHTLINER CORP | | 23-10744-150 | 64678 | DAIMLER TRUCK NORTH AMERICA LLC | | 23-10744-150 | 79431 | FREIGHTLINER CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.775 INCHES NOMINAL | | HEAD HEIGHT | 0.211 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | GRADE 5 IAW SAE J429 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP, HEX GR 5, ZINC | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ZINC AND CLEAR IAW 79431 49-00005-403 MFR REF ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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