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National Stock Number:
5305-01-244-2230
Federal Supply Class:
5305
National Item Identification Number:
012442230
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:
| 11501755 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 11501755 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 78.10 MILLIMETERS MINIMUM AND 80.00 MILLIMETERS MAXIMUM | | HARDNESS RATING | 33.9 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 9.68 MILLIMETERS MINIMUM AND 10.32 MILLIMETERS MAXIMUM | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | MINIMUM TENSILE STRENGTH | 163000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH IN MILLIMETERS | 2.0 | | THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 38.0 MILLIMETERS MINIMUM | | WIDTH BETWEEN FLATS | 15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM |
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