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National Stock Number: 5305-01-552-7093
Federal Supply Class: 5305
National Item Identification Number: 015527093
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:
803-2177140-XX-55 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
FASTENER LENGTH | 1.187 INCHES NOMINAL | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | HEAD STYLE | HEXAGON | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4142 OVERALL OR STEEL COMP 4145 OVERALL | PROPRIETARY CHARACTERISTICS | PACS | NOMINAL THREAD DIAMETER | 0.500 INCHES | WIDTH BETWEEN FLATS | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.969 INCHES NOMINAL | THREAD QUANTITY PER INCH | 13 | THREAD SERIES DESIGNATOR | UNC |
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