5306-01-288-5711, BOLT,MACHINE

National Stock Number:
5306-01-288-5711

Federal Supply Class:
5306

National Item Identification Number:
012885711

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:

9427625

24617

GENERAL MOTORS CORP

Techincal Specification:

FASTENER LENGTH	1.335 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.460 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	92000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GM 4435-M CODE A CAGEC 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES NOMINAL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM

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