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 5905-00-713-8502
NSN 6650-01-555-8819
NSN 6130-00-850-0076
NSN 5996-01-656-7717
NSN 6240-01-063-7685
NSN 5855-01-068-3683
NSN 5999-01-632-1913
NSN 5960-01-582-6167
NSN 7035-00-104-7613
NSN 5945-01-347-8799
NSN 5855-01-556-7130
NSN 6620-01-386-5914