5306-00-218-5625, BOLT,MACHINE

National Stock Number:
5306-00-218-5625

Federal Supply Class:
5306

National Item Identification Number:
002185625

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:

04306-0166	79343	ASRC FEDERAL FACILITIES LOGISTICS, LLC
04306-0166	93568	HARSCO CORP BMY-COMBAT SYSTEMS DIV
04306166	93568	HARSCO CORP BMY-COMBAT SYSTEMS DIV
71-4879	30554	DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER

Techincal Specification:

EXTENDED WASHER DIAMETER	0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
FASTENER LENGTH	1.620 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
WIDTH BETWEEN FLATS	0.620 INCHES MINIMUM AND 0.628 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.438 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
THREAD QUANTITY PER INCH	11
THREAD SERIES DESIGNATOR	UNC

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