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 6130-01-545-4007
NSN 5960-00-665-5180
NSN 5915-01-463-2465
NSN 5905-01-423-8613
NSN 5945-00-203-5859
NSN 7035-00-763-6180
NSN 6110-00-960-0018
NSN 2925-01-111-2927
NSN 2925-01-215-5022
NSN 5910-00-450-9951
NSN 6105-01-109-9616
NSN 5960-01-201-6316