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 6150-01-187-1789
NSN 5990-01-553-1094
NSN 5998-01-008-4186
NSN 5905-01-128-2508
NSN 4140-00-099-9205
NSN 6150-01-383-6744
NSN 5905-01-563-2247
NSN 5905-01-619-7980
NSN 5895-01-481-2434
NSN 5965-00-073-3488
NSN 5895-00-288-1798
NSN 5915-01-210-9871