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 6240-00-256-6410
NSN 6240-00-347-7118
NSN 6620-01-034-7636
NSN 5975-00-937-4586
NSN 6650-01-221-1983
NSN 6105-01-198-1462
NSN 5905-01-386-4483
NSN 5985-00-189-0953
NSN 5935-01-206-0502
NSN 5950-01-315-1397
NSN 6110-00-539-9543
NSN 6685-00-970-3897