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 4140-01-356-7967
NSN 5990-01-478-8638
NSN 5930-01-439-3520
NSN 6645-00-495-4491
NSN 6650-01-643-0534
NSN 5975-00-564-0476
NSN 2925-00-365-3289
NSN 6145-00-195-8873
NSN 5999-01-135-5057
NSN 5930-01-407-3394
NSN 5835-00-419-0575
NSN 4140-01-378-6710