5306-01-196-3855, BOLT,MACHINE

National Stock Number:
5306-01-196-3855

Federal Supply Class:
5306

National Item Identification Number:
011963855

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:

B1821BH038C475L	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
MS90728-77L	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	4.656 INCHES MINIMUM AND 4.656 INCHES MINIMUM AND 4.750 INCHES MAXIMUM4.750 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEADFINISHED HEAD
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER38.0 ROCKWELL C MAXIMUM FASTENER
HEAD HEIGHT	0.226 INCHES MINIMUM AND 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM0.243 INCHES MAXIMUM
HEAD STYLE	HEXAGONHEXAGON
LOCKING FEATURE	PATCH THREADSPATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL FASTENER
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES0.375 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY W SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ZINC AND CHROMATE FASTENER
THREAD CLASS	2A2A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	1.000 INCHES MINIMUM1.000 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	1616
WIDTH BETWEEN FLATS	0.551 INCHES MINIMUM AND 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM0.563 INCHES MAXIMUM

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