4920-00-502-2335 FIXTURE,AIRCRAFT MAINTENANCE Index 4920-00-502-2337 PLUG SET,GASKET LOCATING

National Stock Number:
5306-00-502-2336

Federal Supply Class:
5306

National Item Identification Number:
005022336

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:
502233619204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
FASTENER LENGTH2.750 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT1.125 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 4140 OR STEEL COMP 8640 OVERALL
NOMINAL THREAD DIAMETER1.500 INCHES
WIDTH BETWEEN FLATS2.188 INCHES NOMINAL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.750 INCHES MINIMUM
THREAD QUANTITY PER INCH12
THREAD SERIES DESIGNATORUNF


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