5306-01-256-5178, BOLT,MACHINE

National Stock Number:
5306-01-256-5178

Federal Supply Class:
5306

National Item Identification Number:
012565178

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:

106817-12-124	56878	SPS TECHNOLOGIES, LLC
106817-12-124	80539	SPS TECHNOLOGIES, LLC
MSA6105-12-124	0UCY9	M.S. AEROSPACE INC.
50-047-12-124	97499	BELL TEXTRON INC

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	9.001 INCHES MINIMUM AND
	9.021 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OR
	STEEL COMP 4140 OR
	STEEL COMP 4340 OVERALL
THREAD LENGTH	1.204 INCHES MINIMUM AND
	1.318 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OR
	AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	41.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.375 INCHES MINIMUM AND
	0.390 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND
	1.064 INCHES MAXIMUM
LOCKING FEATURE	DETENT RING GRIP
GRIP LENGTH	7.703 INCHES MINIMUM AND
	7.797 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	8.970 INCHES MINIMUM AND
	8.990 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND
	0.151 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION	FEAT

Click here to Register for Free 30-day Trial