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 6150-00-311-7966
NSN 5990-01-146-1779
NSN 6220-01-529-6728
NSN 5996-00-989-4318
NSN 6645-01-162-8023
NSN 5998-00-529-2551
NSN 5905-01-433-7338
NSN 5945-01-413-4318
NSN 6135-00-488-4478
NSN 6145-01-661-1074
NSN 6650-01-268-8147
NSN 5950-01-270-0981