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 5915-00-193-1440
NSN 5950-00-081-1763
NSN 5960-01-460-0115
NSN 6685-01-059-1769
NSN 6620-01-327-4111
NSN 5945-01-573-6488
NSN 5905-01-485-0234
NSN 6135-00-990-1822
NSN 7035-01-403-2841
NSN 6645-00-251-0688
NSN 5985-01-445-3482
NSN 5990-01-628-8188