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 6685-00-772-0468
NSN 5855-00-361-0167
NSN 2925-01-653-4657
NSN 5920-01-046-4248
NSN 6320-01-443-3826
NSN 6620-00-792-0795
NSN 6145-01-473-7456
NSN 6105-01-375-6934
NSN 5920-01-626-5520
NSN 5950-01-611-0083
NSN 5915-01-368-9660
NSN 7035-00-897-7567