This is a special bolt, and it is used on crank of transmission assembly
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.
NSN 6320-01-289-0946
NSN 6110-00-248-7475
NSN 6145-00-635-9957
NSN 5855-00-532-0025
NSN 6320-00-908-6841
NSN 5905-00-816-9679
NSN 4140-01-311-9755
NSN 6220-00-092-7758
NSN 5925-01-330-9216
NSN 6150-01-453-0485
NSN 7035-01-385-7306
NSN 5965-00-035-4556