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 6650-01-067-8946
NSN 6145-01-395-1057
NSN 6145-01-632-5413
NSN 7035-01-412-8322
NSN 6685-01-199-1304
NSN 5999-01-521-9803
NSN 6610-00-471-9096
NSN 6110-01-518-7609
NSN 6150-00-036-0305
NSN 5999-00-518-1007
NSN 5950-01-612-3762
NSN 5915-01-145-5340