5306-00-051-4084, BOLT,MACHINE

National Stock Number:
5306-00-051-4084

Federal Supply Class:
5306

National Item Identification Number:
000514084

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:

5305000514084	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
FF-S-85	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS90727-42	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	2.500 INCHES NOMINAL
MATERIAL	STEEL OVERALL
THREAD LENGTH	0.875 INCHES MINIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	2A
MATERIAL DOCUMENT AND CLASSIFICATION	SAEJ429GRADE8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	150000 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	2 TYPE AND
	10P STYLE AND
	8 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-85
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS90727-42

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