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 5996-01-230-4157
NSN 5999-01-131-0427
NSN 6220-01-362-6858
NSN 4140-01-479-8654
NSN 5835-01-426-0069
NSN 5895-00-315-3540
NSN 6650-01-514-0240
NSN 5960-00-400-2222
NSN 5945-01-393-6896
NSN 5930-01-364-2758
NSN 5960-00-215-5884
NSN 5990-01-468-1292