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 6145-01-640-6511
NSN 6150-00-120-0821
NSN 6320-01-111-8851
NSN 6650-01-115-7981
NSN 5990-00-827-0684
NSN 4140-01-485-0439
NSN 5925-00-622-2294
NSN 5910-00-328-4696
NSN 4140-00-541-8861
NSN 5920-01-271-9140
NSN 5945-01-400-1607
NSN 5945-01-270-4063