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 6685-01-559-9079
NSN 5915-00-112-3504
NSN 5998-00-269-5444
NSN 6145-00-299-7757
NSN 5930-00-339-8637
NSN 6650-00-451-8174
NSN 6145-01-146-2563
NSN 6685-01-376-5957
NSN 6220-01-506-7189
NSN 5930-01-517-0595
NSN 6645-01-158-3592
NSN 6130-01-483-1287