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 2925-01-224-1885
NSN 5930-01-284-9199
NSN 6650-00-468-7823
NSN 5925-00-834-0272
NSN 5945-01-141-6697
NSN 6320-00-857-4073
NSN 5998-01-433-2714
NSN 5998-01-555-5424
NSN 4140-01-628-4193
NSN 4140-01-189-2589
NSN 5996-01-172-3104
NSN 6240-00-538-0920