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 2925-01-268-5464
NSN 6645-01-080-3510
NSN 5895-00-985-4151
NSN 5990-01-202-0001
NSN 4140-01-036-7178
NSN 6110-00-989-4629
NSN 5835-01-329-4814
NSN 5975-01-026-4995
NSN 5975-01-094-5237
NSN 6150-01-202-3864
NSN 5945-00-408-8763
NSN 6685-01-059-6267