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 5920-01-272-1354
NSN 6685-01-037-2425
NSN 5855-00-451-6155
NSN 5998-01-615-8390
NSN 4140-01-127-6112
NSN 6685-01-468-8408
NSN 5910-00-304-2850
NSN 5985-01-368-2213
NSN 6145-01-335-7939
NSN 6620-00-071-0181
NSN 5996-01-210-5537
NSN 6135-00-686-4777