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National Stock Number:
5305-01-588-6647
Federal Supply Class:
5305
National Item Identification Number:
015886647
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:
| 0.312-18UNC-2AX2.00 NICU | 53711 | NAVAL SEA SYSTEMS COMMAND | | 709-8345731-015-003 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 709-8345731-015-006 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 2.000 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 400 OVERALL OR NICKEL ALLOY R-405 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP HEX HEAD | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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