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 6105-01-458-7841
NSN 5998-01-408-9908
NSN 5910-00-241-6527
NSN 5920-01-408-9840
NSN 6685-00-233-6563
NSN 5945-00-212-9093
NSN 6650-00-107-1667
NSN 4140-01-650-1208
NSN 5985-01-425-8061
NSN 5915-00-902-7565
NSN 5905-01-298-8192
NSN 6220-01-420-6512