5306-00-731-3302, BOLT,MACHINE

National Stock Number:
5306-00-731-3302

Federal Supply Class:
5306

National Item Identification Number:
007313302

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:

432028	56878	SPS TECHNOLOGIES, LLC
432028	77445	RTX CORPORATION
432028	80539	SPS TECHNOLOGIES, LLC
432028	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM FIRST HOLE
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
FASTENER LENGTH	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.553 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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