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 6645-00-488-4432
NSN 5925-00-580-0869
NSN 6650-01-375-0507
NSN 5935-01-038-1606
NSN 6240-01-604-9172
NSN 6620-01-386-5914
NSN 5835-00-602-4750
NSN 6620-00-708-3323
NSN 6135-01-290-6487
NSN 5950-01-529-6542
NSN 6685-00-071-4001
NSN 2925-01-085-0691