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 5920-01-512-0713
NSN 5999-01-117-7326
NSN 2925-00-596-9775
NSN 5965-01-068-2714
NSN 5935-01-307-9494
NSN 6220-00-502-6380
NSN 5975-00-872-0765
NSN 5950-01-191-4829
NSN 4140-01-046-1530
NSN 5975-00-636-4910
NSN 6320-00-036-3688
NSN 5945-01-241-9314