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National Stock Number:
5305-01-411-3453
Federal Supply Class:
5305
National Item Identification Number:
014113453
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:
| 738-D-7547 ITEM 9 | 09647 | AQUA-CHEM INC. | | 738-D-7547 ITEM 9 | 0EXU3 | AQUA-CHEM, INC. | | 868-7520 | 09647 | AQUA-CHEM INC. | | 868-7520 | 0EXU3 | AQUA-CHEM, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.604 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | COPPER ALLOY 651 OR COPPER ALLOY 655 OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.1750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
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