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 6135-01-652-4521
NSN 6645-01-571-6404
NSN 5996-01-512-0800
NSN 6620-00-220-2157
NSN 5835-01-116-2369
NSN 5950-01-055-5650
NSN 5998-01-389-1102
NSN 5985-01-340-8974
NSN 6150-01-483-1129
NSN 2925-00-999-8967
NSN 5920-01-364-9164
NSN 5975-01-634-0678