5306-01-200-6257, BOLT,MACHINE

National Stock Number:
5306-01-200-6257

Federal Supply Class:
5306

National Item Identification Number:
012006257

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:

25764	07270	MOOG INC.
895-27070 ITEM 30	07270	MOOG INC.
AEB02C500B00AW9A96	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
ASME B18.2.1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B1821BH050C200L	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
MS90728-115L	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER
HEAD HEIGHT	0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
HEAD STYLE	HEXAGON
LOCKING FEATURE	PATCH OR STRIP 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 INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ZINC AND CHROMATE FASTENER
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM

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