A cylindrically shaped metallic item designed to provide a wear surface and maintain alignment of a tappet for a valve, poppet, engine. It may have a flange(s) and/or groove(s).
NSN 4140-01-185-5044
NSN 6320-01-629-1277
NSN 5985-01-017-5140
NSN 5996-01-014-6103
NSN 6620-00-417-6285
NSN 5990-00-826-0991
NSN 5996-01-364-7934
NSN 6135-01-185-3614
NSN 6150-01-481-4183
NSN 5935-00-102-8317
NSN 5950-00-444-0265
NSN 5925-01-467-2668