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National Stock Number:
5305-01-312-3904
Federal Supply Class:
5305
National Item Identification Number:
013123904
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:
| 287805 | 04627 | HYSTER-YALE GROUP, INC. | | 287805 | 30076 | HYSTER-YALE GROUP, INC. |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6H | | FASTENER LENGTH | 11.6 MILLIMETERS MINIMUM AND 12.4 MILLIMETERS MAXIMUM | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 9.1 MILLIMETERS MINIMUM AND 12.4 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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