5306-01-266-7310, BOLT,MACHINE

National Stock Number:
5306-01-266-7310

Federal Supply Class:
5306

National Item Identification Number:
012667310

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:

JCM-11286-00709

58905

STRIKE WEAPONS AND UNMANNED AVIATION

Techincal Specification:

FASTENER LENGTH	4.320 INCHES MINIMUM AND 4.500 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	33.0 ROCKWELL C MINIMUM OVERALL
HEAD HEIGHT	0.902 INCHES MINIMUM AND 0.974 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS	2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	3.108 INCHES MINIMUM AND 3.858 INCHES MAXIMUM
THREAD QUANTITY PER INCH	7
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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