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 5990-01-116-2181
NSN 4140-00-679-7538
NSN 6135-01-620-5244
NSN 6645-01-653-7762
NSN 6145-01-534-3941
NSN 5965-00-187-5523
NSN 5975-01-112-2493
NSN 6105-01-545-5090
NSN 5998-01-199-4132
NSN 5990-00-230-8981
NSN 5998-00-180-5831
NSN 4140-00-195-7336