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National Stock Number:
5305-01-619-3420
Federal Supply Class:
5305
National Item Identification Number:
016193420
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:
| AES07M20F050CG89B1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | G19231B20050N | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. |
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Techincal Specification:
| FASTENER LENGTH | 50.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON HEAD,METRIC | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | MINIMUM YIELD STRENGTH | 940 MEGAPASCALS | | MINIMUM TENSILE STRENGTH | 1040 MEGAPASCALS | | SPECIAL FEATURES | HEXAVALENT CHROMIUM FREE PROTECTIVE FINISH | | THREAD CLASS | M20 | | THREAD PITCH IN MILLIMETERS | 2.5 | | THREAD SERIES DESIGNATOR | M |
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