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 6320-00-853-1920
NSN 5930-00-613-2366
NSN 6220-00-659-2512
NSN 5835-01-208-8800
NSN 5950-01-452-4540
NSN 6685-01-492-9744
NSN 5905-01-067-0853
NSN 6135-00-567-1322
NSN 5835-01-227-2318
NSN 6145-01-160-6885
NSN 5985-01-601-6032
NSN 6610-00-425-6330