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 5985-01-104-0146
NSN 5905-01-333-6123
NSN 6610-01-409-1781
NSN 5975-01-130-0519
NSN 5990-00-461-5372
NSN 6110-01-389-1120
NSN 5905-01-260-8641
NSN 6220-01-508-1003
NSN 5835-00-233-6327
NSN 4140-01-459-3136
NSN 5915-00-021-5575
NSN 5855-01-503-6973