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 5975-01-110-8425
NSN 5999-01-525-7505
NSN 5920-00-463-9890
NSN 6105-00-617-1950
NSN 5945-01-320-9921
NSN 5990-00-242-3754
NSN 5855-00-149-0766
NSN 5835-01-202-9673
NSN 5999-01-522-3114
NSN 5996-00-038-0234
NSN 5905-01-412-0743
NSN 2925-01-573-1067