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 6685-01-114-3597
NSN 4140-00-423-6663
NSN 4140-01-361-5224
NSN 6105-01-160-9480
NSN 6645-01-109-7029
NSN 2925-01-460-1601
NSN 5835-00-332-8540
NSN 5835-01-431-6877
NSN 5915-00-153-0002
NSN 5950-00-163-7202
NSN 6145-01-599-9935
NSN 5999-01-158-6486