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 6320-01-512-2031
NSN 5895-01-171-0974
NSN 6145-01-617-6866
NSN 5945-01-376-1956
NSN 5965-01-393-8818
NSN 5905-00-759-3536
NSN 5855-01-110-9564
NSN 5925-00-650-1069
NSN 4140-01-425-1725
NSN 5895-01-141-6550
NSN 6645-01-542-6159
NSN 5835-01-632-6627