A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes packing, preformed; ring, piston; and seal ring, metal.
Classification: Parts of linear acting hydraulic power engines and motors
NSN 6240-01-557-1177
NSN 2925-00-717-3889
NSN 2925-01-633-4048
NSN 5905-01-090-0726
NSN 5985-00-409-7436
NSN 5910-01-571-6114
NSN 5960-00-904-0294
NSN 6685-00-513-4971
NSN 5975-00-102-0126
NSN 5975-01-441-1389
NSN 5975-00-236-0841
NSN 6220-01-285-7080