End item is a clark 45c
A headless, cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod, straight, headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin, straight, threaded.
NSN 6610-01-315-7002
NSN 6220-01-165-0256
NSN 5945-01-274-9099
NSN 6130-00-839-1176
NSN 5910-01-437-9354
NSN 5996-00-305-6152
NSN 5935-00-713-4347
NSN 5998-01-435-6656
NSN 6145-00-805-3369
NSN 6320-01-113-7647
NSN 5915-01-502-9659
NSN 5935-01-618-2652