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 5975-01-123-9111
NSN 5895-00-812-6181
NSN 6130-00-205-1714
NSN 6240-01-416-2175
NSN 6135-01-448-9474
NSN 4140-01-162-8967
NSN 5910-01-326-9863
NSN 6645-01-207-9273
NSN 5925-01-452-1704
NSN 6320-01-512-2031
NSN 6220-01-085-4947
NSN 5920-00-792-9631