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 5960-00-081-2559
NSN 5935-01-536-4070
NSN 6240-01-459-4709
NSN 6130-00-343-1660
NSN 6645-01-452-9495
NSN 5960-01-599-9821
NSN 5975-01-146-0148
NSN 5999-01-181-7401
NSN 6110-01-652-7327
NSN 6650-01-176-3257
NSN 6685-00-999-2503
NSN 6645-00-864-6794