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National Stock Number:
5305-01-463-1068
Federal Supply Class:
5305
National Item Identification Number:
014631068
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:
| 106102 | C6172 | SKF MARINE GMBH | | ISO4017-M12X50-8.8-A3C | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 49.5 MILLIMETERS MINIMUM AND 50.5 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 7.32 MILLIMETERS MINIMUM AND 7.68 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 17.73 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 44.2 MILLIMETERS MINIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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