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 6645-01-004-0803
NSN 6145-01-366-3257
NSN 5905-00-855-4382
NSN 6645-00-862-2904
NSN 6220-00-595-6954
NSN 5935-01-388-9541
NSN 6220-01-093-6723
NSN 6130-00-215-2664
NSN 5895-00-856-9174
NSN 5965-00-263-6436
NSN 5985-01-496-8946
NSN 6220-00-340-1313