5306-00-143-2284, BOLT,MACHINE

National Stock Number:
5306-00-143-2284

Federal Supply Class:
5306

National Item Identification Number:
001432284

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:

5306PL1494260	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
R1393P012	07482	GENERAL ELECTRIC COMPANY

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.928 INCHES MINIMUM AND
	0.948 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OVERALL
THREAD LENGTH	0.616 INCHES MINIMUM AND
	0.696 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.250 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.243 INCHES MINIMUM AND
	0.251 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND
	0.050 INCHES MAXIMUM
GRIP LENGTH	0.252 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	63.0 MICROINCHES GRIP
	125.0 MICROINCHES TOP OF HEAD
	32.0 MICROINCHES THREADS
FEATURES PROVIDED	FINISHED HEAD
THE MANUFACTURERS DATA
MANUFACTURERS CODE	07482
DESIGN CONTROL REFERENCE	R1393P012

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