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 5920-01-660-0114
NSN 6150-00-187-1368
NSN 6645-01-031-6402
NSN 5965-01-201-8399
NSN 6220-00-854-2532
NSN 5895-01-441-2247
NSN 5999-00-124-3947
NSN 2925-00-963-0943
NSN 6150-01-111-4840
NSN 6135-00-044-3860
NSN 5935-01-605-0841
NSN 6105-01-333-2511