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 6650-01-323-6252
NSN 6220-01-071-1495
NSN 6220-00-455-6306
NSN 5905-01-530-5524
NSN 5895-00-209-9766
NSN 6685-00-803-8703
NSN 6220-00-037-9014
NSN 7035-01-013-0934
NSN 5975-01-339-9587
NSN 5915-00-528-9286
NSN 5930-01-157-2793
NSN 2925-01-439-0219