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 4140-01-023-1537
NSN 4140-01-393-7455
NSN 5930-01-051-1709
NSN 5996-01-622-8976
NSN 6145-01-368-4894
NSN 5895-00-348-3802
NSN 5985-00-826-8450
NSN 7035-00-064-7008
NSN 5910-01-229-5391
NSN 6220-00-937-1321
NSN 5975-00-141-0554
NSN 5835-01-069-8002