5306-01-191-8241, BOLT,MACHINE

National Stock Number:
5306-01-191-8241

Federal Supply Class:
5306

National Item Identification Number:
011918241

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:

MS9705-06	0U583	SAE INTERNATIONAL
MS9705-06	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9705-06	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS9705-06	A0126	LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE

Techincal Specification:

EXTENDED WASHER DIAMETER	0.375 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH	0.500 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
HEAD HEIGHT	0.258 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLE	DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER	0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
HOLE QUANTITY	4
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.418 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS	0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM

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