5306-00-298-2786 BOLT,MACHINE Index 5306-00-298-2789 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-00-298-2788

Federal Supply Class:
5306

National Item Identification Number:
002982788

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:
53502823705FRUEHAUF CORP
839299919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.250 INCHES NOMINAL
MATERIALSTEEL COMP 1035 OVERALL
THREAD LENGTH0.875 INCHES NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING21.0 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL
GRIP LENGTH1.375 INCHES NOMINAL
FEATURES PROVIDEDUNFINISHED HEAD


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