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 5998-01-339-5404
NSN 5910-01-555-6682
NSN 5895-01-429-8604
NSN 5905-01-537-1903
NSN 6240-01-429-9826
NSN 5930-01-424-0561
NSN 6610-00-241-2316
NSN 6620-01-201-9295
NSN 2925-01-423-8141
NSN 6145-01-418-9950
NSN 5905-00-280-2747
NSN 6610-01-466-9985