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National Stock Number:
5305-00-725-0072
Federal Supply Class:
5305
National Item Identification Number:
007250072
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:
| 1768279 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.438 INCHES MAXIMUM | | FASTENER LENGTH | 1.438 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD HEIGHT | 0.297 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SPECIAL FEATURES | THREAD UNDERCUT AT HEAD 0.400 IN. DIA BY 0.140 IN. W |
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