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 5855-00-304-7163
NSN 5998-01-470-9808
NSN 5895-00-596-8678
NSN 6685-00-081-3529
NSN 5998-01-187-0869
NSN 5990-01-376-8930
NSN 6220-01-399-4910
NSN 2925-00-829-5124
NSN 5905-01-232-1148
NSN 5920-01-393-5460
NSN 5998-01-353-1656
NSN 5835-00-104-2511