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National Stock Number:
5305-01-228-0555
Federal Supply Class:
5305
National Item Identification Number:
012280555
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:
| 423-435 | 72741 | DORMAN PRODUCTS, INC. | | 908-130 | 72741 | DORMAN PRODUCTS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 34.50 MILLIMETERS MINIMUM AND 35.50 MILLIMETERS MAXIMUM | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 116000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT | ZINC AND DICHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 32.5 MILLIMETERS MINIMUM AND 35.5 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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