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National Stock Number:
5305-01-534-3942
Federal Supply Class:
5305
National Item Identification Number:
015343942
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:
| 0.250-20UNC-2AX1.500LG STL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 67-02-1150 | 96169 | ELECTRIC BOAT CORPORATION | | 67-02-11509 | 96169 | ELECTRIC BOAT CORPORATION | | 67-02-1150A | 96169 | ELECTRIC BOAT CORPORATION | | 7384562-149 | 53711 | NAVAL SEA SYSTEMS COMMAND | | ASTM A354 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | | G413-2102-149 | 96169 | ELECTRIC BOAT CORPORATION | | G4132102-149 | 96169 | ELECTRIC BOAT CORPORATION | | MIL-F-18240 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.500 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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