Shoulder is hexagon shape
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 5835-00-034-4976
NSN 6220-01-616-4492
NSN 6220-00-993-0419
NSN 5990-01-642-5748
NSN 5999-01-605-6073
NSN 5996-00-011-5651
NSN 6320-01-562-1599
NSN 5905-01-459-2576
NSN 6105-00-156-9084
NSN 6220-01-015-5850
NSN 6650-01-177-4398
NSN 5920-00-617-9909