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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 4140-01-171-7013
NSN 7035-00-104-7613
NSN 5996-01-469-8905
NSN 6645-01-633-1852
NSN 5985-01-508-6419
NSN 6110-01-459-9022
NSN 5945-00-553-9963
NSN 5915-00-456-0873
NSN 5990-00-978-4936
NSN 5920-01-408-8682
NSN 6150-00-351-5658
NSN 6320-00-115-0883