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 5895-01-444-4133
NSN 5996-01-445-5528
NSN 6620-01-078-6372
NSN 6135-00-801-3493
NSN 5960-00-441-5147
NSN 5925-00-038-6147
NSN 6620-01-411-7382
NSN 5855-00-014-5008
NSN 6240-00-715-5118
NSN 6220-00-248-4483
NSN 5835-01-615-8864
NSN 2925-01-387-0870