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 5930-00-334-8975
NSN 6110-01-313-5167
NSN 5965-00-997-5764
NSN 6645-01-535-7136
NSN 6220-01-478-4170
NSN 5985-01-143-8936
NSN 6650-01-221-5367
NSN 5855-00-281-3843
NSN 5925-00-353-0612
NSN 6135-00-983-9187
NSN 5920-00-477-6451
NSN 6620-01-232-0680