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 6650-00-068-2208
NSN 6320-00-468-3461
NSN 6145-01-557-8117
NSN 5985-00-509-1530
NSN 5990-01-487-0871
NSN 5905-01-461-2618
NSN 5998-00-790-3531
NSN 6685-01-467-3035
NSN 6650-01-344-8138
NSN 5930-00-456-0889
NSN 6240-01-135-3874
NSN 5996-01-347-3411