Cotter pin hole is through threads
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.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5920-01-167-4729
NSN 5925-00-868-4313
NSN 5930-00-186-2442
NSN 5835-01-300-4226
NSN 6620-01-165-3784
NSN 6645-01-324-2002
NSN 5996-01-187-5535
NSN 6240-01-361-3499
NSN 6685-01-321-2729
NSN 5920-01-442-7685
NSN 6320-00-908-6841
NSN 6610-01-238-8712