5306-01-010-9593, BOLT,MACHINE

National Stock Number:
5306-01-010-9593

Federal Supply Class:
5306

National Item Identification Number:
010109593

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:

212-010-411-003	97499	BELL TEXTRON INC
212-010-411-3	97499	BELL TEXTRON INC

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	6.343 INCHES MINIMUM AND
	6.373 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
THREAD LENGTH	0.416 INCHES MINIMUM AND
	0.426 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR
	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR
	MIL-S-8503 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	BPS 4006,TYPE 2,CLASS 2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	40.0 ROCKWELL C MAXIMUM TOP OF HEAD
MINIMUM TENSILE STRENGTH	160 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.140 INCHES MINIMUM AND
	0.160 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.741 INCHES MINIMUM AND
	0.752 INCHES MAXIMUM
GRIP LENGTH	5.927 INCHES MINIMUM AND
	5.947 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	63.0 MICROINCHES GRIP
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	6.187 INCHES MINIMUM AND
	6.189 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND
	0.116 INCHES MAXIMUM FIRST HOLE

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