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 5925-00-280-2273
NSN 5950-01-420-6979
NSN 6685-01-632-3583
NSN 5935-00-275-0349
NSN 6685-01-531-1910
NSN 6150-00-801-2580
NSN 5990-00-288-1820
NSN 6320-00-115-0883
NSN 6110-01-435-9071
NSN 7035-01-555-8793
NSN 2925-00-120-9302
NSN 5996-01-351-8868