5306-00-018-0084, BOLT,MACHINE

National Stock Number:
5306-00-018-0084

Federal Supply Class:
5306

National Item Identification Number:
000180084

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:

180084	24617	GENERAL MOTORS CORP
180084	7X677	GENERAL MOTORS LLC
MIL-DTL-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.563 INCHES MINIMUM AND
	1.625 INCHES MAXIMUM
MATERIAL	STEEL COMP 1050 OR
	STEEL COMP 1053 OVERALL
THREAD LENGTH	0.875 INCHES MINIMUM AND
	1.062 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	2A
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OR
	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR
	QQ-Z-325 TY 2 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING	23.0 ROCKWELL C MINIMUM AND
	34.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.195 INCHES MINIMUM AND
	0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	5 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-DTL-1222

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