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 5950-01-142-0588
NSN 5985-00-938-4306
NSN 5975-00-796-2886
NSN 5990-01-058-4826
NSN 5990-00-008-1828
NSN 5930-01-054-3868
NSN 5895-01-514-7241
NSN 5999-01-104-0445
NSN 5950-00-991-9251
NSN 5965-01-150-3400
NSN 5965-00-378-3403
NSN 5835-01-162-8353