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 4140-01-508-0889
NSN 6610-01-233-5857
NSN 6650-00-955-0568
NSN 5905-00-194-3699
NSN 5925-01-197-4693
NSN 5930-00-098-5001
NSN 5965-01-100-3878
NSN 6135-01-643-3114
NSN 6130-00-904-4770
NSN 5915-01-368-1168
NSN 5960-00-140-4448
NSN 6150-01-267-4962