5306-00-151-5727, BOLT,MACHINE

National Stock Number:
5306-00-151-5727

Federal Supply Class:
5306

National Item Identification Number:
001515727

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:

11611843

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	4.880 INCHES NOMINAL
MATERIAL	STEEL OVERALL
THREAD LENGTH	1.250 INCHES MINIMUM AND
	1.440 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	2A
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR
	SAE GRADE 5 FED SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OR
	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR
	QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND
	34.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.378 INCHES MINIMUM AND
	0.403 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.922 INCHES MINIMUM AND
	0.937 INCHES MAXIMUM
GRIP LENGTH	3.440 INCHES MINIMUM AND
	3.630 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.380 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.140 INCHES MINIMUM AND
	0.160 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD

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