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National Stock Number:
5305-01-500-3151
Federal Supply Class:
5305
National Item Identification Number:
015003151
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:
| 123-7535145 ITEM NO 73 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 123-7556733 ITEM NO 44 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5/16-18UNC-2A X 7/8 GR316 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-92 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | EXPORT CONTROLLED | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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