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 6135-01-273-1253
NSN 5920-01-647-7357
NSN 6105-00-613-8638
NSN 6685-00-525-8483
NSN 5945-00-912-2311
NSN 5996-00-823-9164
NSN 6320-01-321-7658
NSN 5905-00-192-0180
NSN 5965-01-542-8510
NSN 6130-01-115-5331
NSN 5930-01-392-1222
NSN 2925-01-549-6360