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 5945-01-445-5941
NSN 5925-01-363-9925
NSN 6240-00-863-6105
NSN 5985-01-185-4233
NSN 5895-01-119-1323
NSN 6240-01-432-5107
NSN 6135-01-265-1384
NSN 5999-00-003-4752
NSN 6685-00-204-6037
NSN 5965-01-079-7939
NSN 7035-01-382-4413
NSN 6320-01-462-2295