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 5920-00-040-2923
NSN 5855-00-494-9581
NSN 5905-00-104-5596
NSN 6145-01-327-7079
NSN 4140-00-925-9218
NSN 5998-01-044-3930
NSN 6650-00-443-4292
NSN 5925-01-055-3868
NSN 6320-00-894-1644
NSN 5990-01-049-7505
NSN 4140-01-010-2592
NSN 6110-01-097-6805