5306-01-351-1744, BOLT,MACHINE

National Stock Number:
5306-01-351-1744

Federal Supply Class:
5306

National Item Identification Number:
013511744

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:

12469283	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
1520100	75Q65	OSHKOSH DEFENSE LLC
231142	72447	DANA COMMERCIAL VEHICLE MANUFACTURING, LLC
D137627	K0239	COBHAM DEFENCE COMMUNICATIONS LTD

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.750 INCHES NOMINAL
MATERIAL	STEEL COMP 8640 OVERALL
THREAD LENGTH	0.667 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	2A
MATERIAL DOCUMENT AND CLASSIFICATION	SAE8640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE AND
	OIL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTMB117 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD HEIGHT	7.77 MILLIMETERS MINIMUM AND
	7.92 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	7.912 MILLIMETERS MINIMUM AND
	8.014 MILLIMETERS MAXIMUM
EXTENDED WASHER DIAMETER	11.61 MILLIMETERS MINIMUM AND
	11.91 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS	2.51 MILLIMETERS MINIMUM AND
	3.02 MILLIMETERS MAXIMUM
LOCKING FEATURE	PATCH THREADS
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	19207
MFR SOURCE CONTROLLING REFERENCE	12469283

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