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 6610-01-304-3226
NSN 4140-00-155-8012
NSN 5945-01-514-9438
NSN 5960-01-003-5819
NSN 6110-01-235-1633
NSN 6145-01-184-4360
NSN 6220-01-597-6236
NSN 5998-01-246-8654
NSN 5945-00-409-3393
NSN 6220-00-816-8131
NSN 5996-01-281-7336
NSN 5930-01-164-6879