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 6620-00-626-8126
NSN 6240-01-485-3116
NSN 5975-01-583-4750
NSN 5905-01-552-5038
NSN 6110-01-110-6776
NSN 7035-01-565-1288
NSN 5985-01-306-4622
NSN 6220-01-179-4491
NSN 6685-01-373-9486
NSN 5950-01-408-1328
NSN 6110-00-935-5351
NSN 5855-01-437-6161