5306-01-305-7550, BOLT,MACHINE

5905-01-305-7549 RESISTOR NETWORK,FIXED,FILM

National Stock Number:
5306-01-305-7550

Federal Supply Class:
5306

National Item Identification Number:
013057550

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:

NAS1312-60D

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	4.776 INCHES MINIMUM AND
	4.806 INCHES MAXIMUM
THREAD LENGTH	1.016 INCHES MINIMUM AND
	1.066 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
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
	40.0 ROCKWELL C MAXIMUM GRIP
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.375 INCHES MINIMUM AND
	0.390 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND
	1.064 INCHES MAXIMUM
GRIP LENGTH	3.740 INCHES MINIMUM AND
	3.760 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES THREADS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.514 INCHES MINIMUM AND
	4.564 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND
	0.151 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPECIFICATION/STANDARD DATA	80205-NAS1312 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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