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National Stock Number:
5305-01-230-7833
Federal Supply Class:
5305
National Item Identification Number:
012307833
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:
| 845-2180765 PIECE 14 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-2180765 PIECE 14L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SSN593-711-1864549 PIECE 19L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SSN593-711-1864549 PIECE 19 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 16 |
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