5306-01-260-1349, BOLT,MACHINE

National Stock Number:
5306-01-260-1349

Federal Supply Class:
5306

National Item Identification Number:
012601349

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:

50-047-8-41	56878	SPS TECHNOLOGIES, LLC
50-047-8-41	97499	BELL TEXTRON INC

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	FEAT
FASTENER LENGTH	3.470 INCHES MINIMUM AND 3.490 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	3.470 INCHES MINIMUM AND 3.490 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
LOCKING FEATURE	DETENT RING GRIP
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE
MATERIAL	STEEL COMP 631 LOCKING FEATURE
MATERIAL	STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 FASTENER
NOMINAL THREAD DIAMETER	0.500 INCHES
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
WIDTH BETWEEN FLATS	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	CADMIUM AND CHROMATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.861 INCHES MINIMUM AND 0.975 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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