Three undercuts
A headed, cylindrically-shaped metal item having a shank and/or shoulder offset from the geometric center of the head. If shouldered, a portion of the shank and/or shoulder may be concentric with the head.
NSN 5895-01-461-1553
NSN 6135-00-643-4843
NSN 6620-00-280-2874
NSN 5895-00-269-3848
NSN 5920-00-177-2738
NSN 5945-01-506-0789
NSN 7035-00-834-2090
NSN 6145-00-705-6686
NSN 6610-01-045-1020
NSN 6135-00-073-8939
NSN 5945-00-276-9274
NSN 6145-01-174-0641