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 5999-00-553-9061
NSN 5920-01-421-5362
NSN 5996-00-372-4528
NSN 6645-01-633-1852
NSN 6650-00-937-9496
NSN 5920-01-461-2423
NSN 5990-01-116-2181
NSN 5925-01-300-1521
NSN 5920-01-549-9647
NSN 6650-01-503-9139
NSN 5925-00-855-7587
NSN 6610-00-837-3012