5306-00-090-1589, BOLT,MACHINE

National Stock Number:
5306-00-090-1589

Federal Supply Class:
5306

National Item Identification Number:
000901589

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:

227976

77445

RTX CORPORATION

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	3.680 INCHES MINIMUM AND
	3.700 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OVERALL
THREAD LENGTH	0.350 INCHES MINIMUM AND
	0.430 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.450 INCHES MINIMUM AND
	0.470 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.431 INCHES MINIMUM AND
	0.440 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.573 INCHES MINIMUM AND
	3.583 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.065 INCHES MINIMUM AND
	0.072 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPECIAL FEATURES	HEAD GROOVED 0.240 TO 0.260 IN. DIA BY 0.146 TO 0.166 IN. W
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	227976

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