5306-00-932-4176, BOLT,MACHINE

National Stock Number:
5306-00-932-4176

Federal Supply Class:
5306

National Item Identification Number:
009324176

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:

491038	06725	SPS TECHNOLOGIES, LLC
491038	11449	TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
491038	19552	EDWARDS BROTHERS INC.
491038	50945	MERCURY AEROSPACE FASTENERS INC
491038	56878	SPS TECHNOLOGIES, LLC
491038	77445	RTX CORPORATION
491038	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
491038	93907	TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS
491038	A1387	NECCHI SPA

Techincal Specification:

EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
FASTENER LENGTH	0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 601 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
WIDTH BETWEEN FLATS	0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SURFACE FINISH	125.0 MICROINCHES TOP OF HEAD
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	NICKEL AND CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.607 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF

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