5305-00-741-4574 SCREW,MACHINE Index 5306-00-741-4576 BOLT,MACHINE

National Stock Number:
5306-00-741-4575

Federal Supply Class:
5306

National Item Identification Number:
007414575

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:
676633624617GENERAL MOTORS CORP
676633673342ALLISON TRANSMISSION INC
741457519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH8.500 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.250 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.312 INCHES MINIMUM AND
0.327 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.737 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD


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