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 5915-01-529-6107
NSN 6685-01-453-0460
NSN 5935-00-295-5279
NSN 6650-01-399-8552
NSN 5985-01-508-9735
NSN 5935-01-453-0299
NSN 5975-00-456-2257
NSN 5975-01-352-5853
NSN 6240-01-552-8831
NSN 6105-00-324-4096
NSN 5975-01-132-6430
NSN 2925-01-453-1606