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National Stock Number:
5305-01-497-6297
Federal Supply Class:
5305
National Item Identification Number:
014976297
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:
| 566-7067164-27 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H625-0302-27 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 4.250 INCHES NOMINAL | | HEAD HEIGHT | 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | LOCKING FEATURE | PELLET THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F468,GR 500 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410,6/6 NATIONAL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE | | MATERIAL | NICKEL ALLOY K-500 FASTENER | | MATERIAL | PLASTIC NYLON LOCKING FEATURE | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 7 | | THREAD SERIES DESIGNATOR | UNC |
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