A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.
Classification: Parts for compression-ignition internal combustion piston engines (diesel), nesoi
NSN 6650-01-517-9452
NSN 6150-00-925-2465
NSN 5950-00-945-7544
NSN 5990-01-357-6175
NSN 6650-00-995-5741
NSN 6610-00-110-6942
NSN 5990-00-787-4051
NSN 6105-00-297-3762
NSN 5855-00-149-0766
NSN 6610-01-598-0950
NSN 6650-01-052-2143
NSN 6645-01-185-5460