5306-00-464-2636, BOLT,MACHINE

National Stock Number:
5306-00-464-2636

Federal Supply Class:
5306

National Item Identification Number:
004642636

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:

5316004642636	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
MS21284-25	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

EXTENDED WASHER THICKNESS	0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.750 INCHES NOMINAL
FASTENER LENGTH	2.500 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	1.190 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
HARDNESS RATING	248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
HEAD HEIGHT	0.530 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
MINIMUM YIELD STRENGTH	85000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	63.0 MICROINCHES GRIP
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	20

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