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 4140-01-489-1042
NSN 7035-01-301-6325
NSN 5996-01-393-1101
NSN 6220-01-145-0198
NSN 7035-00-803-3056
NSN 6320-00-082-5868
NSN 6135-01-106-7740
NSN 4140-01-094-6836
NSN 5990-01-516-9665
NSN 6685-01-182-3634
NSN 6130-00-733-9352
NSN 5925-01-367-2519