5306-01-556-5173, BOLT,MACHINE

National Stock Number:
5306-01-556-5173

Federal Supply Class:
5306

National Item Identification Number:
015565173

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:

10038534	61C19	MIL-COTS CORPORATION
12759-00511	0Y3H3	FASTENAL COMPANY
39228	0Y3H3	FASTENAL COMPANY
1850815C1	338X5	ND DEFENSE LLC

Techincal Specification:

EXTENDED WASHER DIAMETER	22.750 MILLIMETERS MINIMUM AND 23.000 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS	3.500 MILLIMETERS MINIMUM AND 4.300 MILLIMETERS MAXIMUM
HEAD HEIGHT	12.500 MILLIMETERS MINIMUM AND 13.000 MILLIMETERS MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	TYPE 12.9R, CEMS A-31, PART 1 MFR REF ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	BOLT,DAMPER,M12 X 40MM X 1.25
PROPRIETARY CHARACTERISTICS	NPAC
SPECIAL FEATURES	FINISH: PHOSPHATE COAT AFTER THREAD ROLLING, CLASS B-2 (ZINC PHOSPHATE) CEMS G-1
WIDTH BETWEEN FLATS	15.770 MILLIMETERS MINIMUM AND 16.000 MILLIMETERS MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	33.500 MILLIMETERS MINIMUM

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