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 6105-00-504-1978
NSN 4140-00-960-4310
NSN 7035-00-104-7613
NSN 5945-00-072-5305
NSN 5996-00-464-2200
NSN 5855-01-544-7588
NSN 5960-00-357-3043
NSN 6320-01-220-2264
NSN 6645-01-654-5293
NSN 6135-01-059-4055
NSN 5920-01-378-6528
NSN 6145-01-190-6491