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 5999-00-454-7803
NSN 5985-01-208-3598
NSN 5950-00-161-4419
NSN 5915-01-508-7809
NSN 6650-00-068-2208
NSN 5990-00-099-0822
NSN 5910-00-252-8958
NSN 5990-01-078-1294
NSN 5999-01-312-1949
NSN 6240-01-368-0762
NSN 5998-00-928-5690
NSN 5950-01-532-1550