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National Stock Number:
5305-01-486-1119
Federal Supply Class:
5305
National Item Identification Number:
014861119
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:
| 721-7068598-55 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 90-14-4062 | 96169 | ELECTRIC BOAT CORPORATION | | H861-2501-55 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 AND NICKEL ALLOY 502 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.525 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF |
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