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 5910-01-411-1920
NSN 6645-01-033-0150
NSN 5915-01-032-4892
NSN 5990-00-344-2062
NSN 5915-00-401-7763
NSN 5925-01-023-1411
NSN 6650-00-629-8027
NSN 6110-00-166-5039
NSN 5990-01-482-5950
NSN 6620-00-535-1412
NSN 5920-01-158-4517
NSN 6685-01-363-9359