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National Stock Number:
5305-01-423-4061
Federal Supply Class:
5305
National Item Identification Number:
014234061
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:
| 933 04110 M12 X 20 | L2573 | FABORY METRICAN INC | | AES07M12D020WB9A91 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B18231B12020N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.75 | | EXTERNAL THREAD TOLERANCE CLASS | 6H | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 7.24 MILLIMETERS MINIMUM AND | | 7.76 MILLIMETERS MAXIMUM | | WIDTH BETWEEN FLATS | 17.73 MILLIMETERS MINIMUM AND | | 18.00 MILLIMETERS MAXIMUM |
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