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National Stock Number:
5305-01-495-3760
Federal Supply Class:
5305
National Item Identification Number:
014953760
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:
| B18234B12080N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 24.7 MILLIMETERS MAXIMUM | | EXTENDED WASHER THICKNESS | 1.8 MILLIMETERS MINIMUM | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 80.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 11.9 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J1199 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM F568 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 14.57 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 41.2 MILLIMETERS MINIMUM AND 50.0 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 1.75 | | THREAD SERIES DESIGNATOR | M |
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