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National Stock Number:
5305-01-516-2610
Federal Supply Class:
5305
National Item Identification Number:
015162610
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:
| 1.250-7UNRC-2AX2.750LG NICUAL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 211092797 | 96169 | ELECTRIC BOAT CORPORATION | | 596-7410501-55 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B434-5130-55 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 2.750 INCHES NOMINAL | | LOCKING FEATURE | PATCH THREADS OR PELLET THREADS OR STRIP THREADS | | MATERIAL | NICKEL ALLOY K-500 OVERALL AND NICKEL ALLOY 502 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 7 | | THREAD SERIES DESIGNATOR | UNRC |
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