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 4140-00-657-4964
NSN 6240-01-512-8129
NSN 5855-01-278-8922
NSN 5855-00-256-5562
NSN 6150-01-170-4065
NSN 5910-01-313-7599
NSN 5905-01-421-2691
NSN 5998-00-918-8356
NSN 6645-00-252-5798
NSN 5855-01-397-6300
NSN 5985-01-554-2534
NSN 6130-01-281-7727