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 for spark-ignition internal combustion piston engines, nesoi
NSN 2925-01-504-3058
NSN 6130-00-222-9206
NSN 6650-00-958-7408
NSN 6130-01-010-0975
NSN 5920-01-266-8919
NSN 6105-01-470-0550
NSN 5950-01-138-8054
NSN 5950-01-045-3441
NSN 5925-01-058-8459
NSN 4140-01-549-2952
NSN 5996-01-362-9047
NSN 6645-01-509-3221