5306-01-148-6765, BOLT,MACHINE

National Stock Number:
5306-01-148-6765

Federal Supply Class:
5306

National Item Identification Number:
011486765

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

10008936	11862	GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
10008936	7X677	GENERAL MOTORS LLC
384951	11862	GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
384951	7X677	GENERAL MOTORS LLC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.686 INCHES MINIMUM AND 0.706 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.071 INCHES NOMINAL
FASTENER LENGTH	0.930 INCHES MINIMUM AND 0.960 INCHES MAXIMUM
HARDNESS RATING	80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
HEAD HEIGHT	0.259 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
LOCKING FEATURE	LOCKING TEETH BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1021 OR STEEL COMP 1022 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.800 INCHES MINIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNC

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