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National Stock Number:
5305-01-473-3445
Federal Supply Class:
5305
National Item Identification Number:
014733445
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:
| B1867BD080200 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.25 | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 5.2 MILLIMETERS MINIMUM AND | | 6.0 MILLIMETERS MAXIMUM | | WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND | | 13.00 MILLIMETERS MAXIMUM | | SPECIFICATION/STANDARD DATA | 80204-ANSI B18.6.7 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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