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 6610-01-160-3770
NSN 5855-01-615-2969
NSN 5960-01-395-6939
NSN 5975-01-495-7073
NSN 6105-01-401-5361
NSN 6135-01-222-0703
NSN 5999-00-206-7317
NSN 6650-01-181-6037
NSN 5960-01-317-3800
NSN 6145-01-228-3356
NSN 5990-01-246-7417
NSN 5985-00-022-7383