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 6220-00-972-7933
NSN 6135-01-128-5358
NSN 6620-00-197-5130
NSN 5945-00-472-6401
NSN 4140-01-390-1729
NSN 5935-01-249-3102
NSN 6320-01-451-0821
NSN 6110-01-612-6531
NSN 6145-01-481-3688
NSN 2925-00-798-2663
NSN 5975-01-261-6328
NSN 6685-01-566-8644