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National Stock Number:
5305-01-614-8969
Federal Supply Class:
5305
National Item Identification Number:
016148969
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:
| AES01CB50H00AW9A51 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B18.24 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B1821BH250C800N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| FASTENER LENGTH | 8.00 INCHES NOMINAL | | HEAD HEIGHT | 1.479 INCHES MINIMUM AND 1.583 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A354 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL UNS K04100 OVERALL | | NOMINAL THREAD DIAMETER | 2.50 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CHROMATE AND ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 4 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD LENGTH | 5.500 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 3.625 INCHES MINIMUM AND 3.750 INCHES MAXIMUM |
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