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 4140-01-254-3689
NSN 6105-00-140-4152
NSN 5965-01-337-8625
NSN 6130-01-426-8841
NSN 5930-01-220-1016
NSN 5999-01-195-8648
NSN 5965-01-322-7236
NSN 5960-01-413-3877
NSN 6650-01-550-4758
NSN 7035-00-225-6499
NSN 6650-00-707-1417
NSN 5855-00-466-2309