A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5855-01-511-0995
NSN 5960-00-784-4348
NSN 5920-01-231-3615
NSN 5855-01-438-4588
NSN 5996-01-586-3380
NSN 5895-01-458-4831
NSN 6620-00-041-3406
NSN 5950-01-274-4183
NSN 6150-01-247-4306
NSN 5915-01-435-5275
NSN 5950-00-209-6247
NSN 6320-01-461-5866