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National Stock Number:
5305-01-179-4316
Federal Supply Class:
5305
National Item Identification Number:
011794316
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:
| 10513245 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | DIN933-M20X45-10.9-A3L | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 40.0 MILLIMETERS MINIMUM AND | | 45.0 MILLIMETERS MAXIMUM | | FASTENER LENGTH | 45.00 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 2.5 | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND | | 31.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 113784 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 13.0 MILLIMETERS NOMINAL | | WIDTH BETWEEN FLATS | 30.0 MILLIMETERS NOMINAL |
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