Both ends have wrenching flats
A cylindrically-shaped headless item, having a shank at one or both ends. It is used for aligning, fastening, or transfer of torque and/or thrust by fitting into corresponding holes of another item. It may be threaded on one end.
NSN 6135-01-322-4655
NSN 5915-01-422-2014
NSN 5930-01-422-6868
NSN 5990-01-120-1910
NSN 6320-00-242-3300
NSN 5990-00-888-7761
NSN 5920-00-280-7829
NSN 6685-01-503-6537
NSN 4140-00-375-6021
NSN 4140-01-382-2754
NSN 6240-01-332-6892
NSN 5950-01-281-7506