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National Stock Number:
5305-01-514-6947
Federal Supply Class:
5305
National Item Identification Number:
015146947
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:
| 1.000-8UNC-2AX3.250LG STL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 595-7066660-15 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 67-02-8325 | 96169 | ELECTRIC BOAT CORPORATION | | H525-7622-15 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 3.250 INCHES NOMINAL | | HEAD HEIGHT | 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | STRIP THREADS OR PELLET THREADS OR PATCH THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A354,GR BC ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL UNS K04100 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SPECIAL FEATURES | DISTRIBUTION STATEMENT D-DATA EXPORT RESTRICTED | | WIDTH BETWEEN FLATS | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNC |
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