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 6105-01-088-8133
NSN 5996-01-496-5949
NSN 6220-01-587-8437
NSN 5990-01-541-7671
NSN 5996-01-030-1387
NSN 5905-01-256-5776
NSN 5915-01-225-1355
NSN 5999-01-573-6120
NSN 6240-01-627-0968
NSN 5930-00-080-8717
NSN 5905-01-064-4036
NSN 6320-01-495-6893