5306-00-792-2301, BOLT,MACHINE

9390-00-792-2306 NONMETALLIC SPECIAL SHAPED SECTI

National Stock Number:
5306-00-792-2301

Federal Supply Class:
5306

National Item Identification Number:
007922301

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:

R1057P8SL	24446	GENERAL ELECTRIC COMPANY
R1057P8SL	99207	GENERAL ELECTRIC COMPANY

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.615 INCHES MINIMUM AND
	0.635 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
THREAD LENGTH	0.553 INCHES MINIMUM AND
	0.635 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	SILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	33.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.212 INCHES MINIMUM AND
	0.220 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.312 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.030 INCHES MINIMUM AND
	0.040 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	4
HOLE DIAMETER	0.047 INCHES NOMINAL
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	63.0 MICROINCHES GRIP
FEATURES PROVIDED	FINISHED HEAD
PRECIOUS MATERIAL	SILVER
PRECIOUS MATERIAL AND LOCATION	OVERALL SILVER

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