5306-01-253-1612, BOLT,MACHINE

National Stock Number:
5306-01-253-1612

Federal Supply Class:
5306

National Item Identification Number:
012531612

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:

5306PL1504475	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
MS35764-850	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	1.190 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLE	DISTORTED HEAD
LOCKING FEATURE	DISTORTIONS BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GRADE 8 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.438 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.065 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM

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