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National Stock Number:
5305-01-593-3317
Federal Supply Class:
5305
National Item Identification Number:
015933317
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:
| 91280A140 | 39428 | MCMASTER-CARR SUPPLY CO | | AES07M407020WC1GP1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 21.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 2.8 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 116000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 6H | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 0.7 | | THREAD SERIES DESIGNATOR | M | | WIDTH BETWEEN FLATS | 7.0 MILLIMETERS NOMINAL |
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