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National Stock Number:
5305-01-623-1404
Federal Supply Class:
5305
National Item Identification Number:
016231404
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:
| AES07M20F045CG89B1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | G19231B20045N | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F568M ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, HEXAGON HEAD, METRIC | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE 3 OR TYPE 5 ASSN STD ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | ZINC AND CHROMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 45.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 2.5 | | COLOR | BLUE OVERALL | | FASTENER LENGTH | 45.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 12.12 MILLIMETERS MINIMUM AND 12.88 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON |
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