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 6320-01-364-1840
NSN 6645-00-166-7926
NSN 6650-01-359-8537
NSN 5965-01-488-4009
NSN 6685-01-475-0212
NSN 5998-00-946-5027
NSN 6650-01-246-0213
NSN 5930-01-308-7314
NSN 5950-00-597-8644
NSN 6240-01-133-5325
NSN 6645-01-140-4286
NSN 4140-01-029-4211