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National Stock Number:
5305-01-612-3343
Federal Supply Class:
5305
National Item Identification Number:
016123343
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:
| AES01C500B50WA2D71 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | ASME-B18.24-AES01C500B50WA2D71 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.250 INCHES NOMINAL | | FASTENER LENGTH | 2.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | DISHED HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J 429 GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F 1941, ZINC COATING FE/ZN, TYPE 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND | | 0.323 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON HEAD |
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