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 5990-00-816-9289
NSN 5915-01-078-3516
NSN 6145-00-141-8095
NSN 5998-00-453-8906
NSN 5920-01-435-0555
NSN 6320-01-504-3948
NSN 5910-01-339-3974
NSN 6220-01-520-9976
NSN 4140-01-367-2820
NSN 6320-00-270-8222
NSN 5945-01-443-3168
NSN 5855-01-398-0007