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National Stock Number:
5305-01-370-7734
Federal Supply Class:
5305
National Item Identification Number:
013707734
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:
| B1821BH050C113D | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| FASTENER LENGTH | 1.130 INCHES NOMINAL | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | DRILLED HEAD | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.976 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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