5306-00-051-4081, BOLT,MACHINE

National Stock Number:
5306-00-051-4081

Federal Supply Class:
5306

National Item Identification Number:
000514081

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:

181345	24617	GENERAL MOTORS CORP
454888	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
454888	24617	GENERAL MOTORS CORP
5306000514081	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
6477-50	23715	EASTERN GEAR CORPORATION
AES01F312A75AW9A91	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B1821BH031F175N	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
MS35304-039	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS35304-39	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS90727-39	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.874 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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