5306-00-326-3720, BOLT,MACHINE

National Stock Number:
5306-00-326-3720

Federal Supply Class:
5306

National Item Identification Number:
003263720

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:

702620	77445	RTX CORPORATION
702620	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
702620	98524	MONOGRAM AEROSPACE FASTENERS, INC

Techincal Specification:

EXTENDED WASHER THICKNESS	0.060 INCHES MINIMUM
EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
FASTENER LENGTH	0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.060 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH	165000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS	0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.478 INCHES MINIMUM AND 0.538 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	28

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