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 6240-01-191-5643
NSN 5925-01-438-2095
NSN 5975-01-351-3873
NSN 5960-00-935-0171
NSN 5935-01-644-0602
NSN 4140-01-069-4576
NSN 6645-00-966-0251
NSN 6650-00-111-3399
NSN 6620-00-882-6972
NSN 5965-00-820-0469
NSN 5985-01-196-9871
NSN 5895-01-235-1274