5905-01-306-2781 RESISTOR,VARIABLE,NONWIRE WOUND, Index 5306-01-306-2783 BOLT,U

National Stock Number:
5306-01-306-2782

Federal Supply Class:
5306

National Item Identification Number:
013062782

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:
NAS1307-5680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH4.079 INCHES MINIMUM AND 4.109 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
MATERIALSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.437 INCHES
SPECIFICATION/STANDARD DATA80205-NAS1307 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE AND CADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.569 INCHES MINIMUM AND 0.619 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


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