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 6685-00-971-2570
NSN 5930-01-395-7054
NSN 5996-00-231-9322
NSN 5910-01-418-4883
NSN 5920-01-253-9816
NSN 5996-01-016-6715
NSN 5930-00-272-1427
NSN 5996-01-305-7296
NSN 6145-01-053-2969
NSN 5999-00-400-8287
NSN 5920-01-460-7369
NSN 5999-01-442-3976