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 5915-01-394-5540
NSN 5999-01-555-7947
NSN 5945-00-099-2912
NSN 6650-01-055-1492
NSN 6620-01-081-1042
NSN 6645-01-437-9017
NSN 5960-01-010-3083
NSN 5985-01-483-0511
NSN 5998-01-656-5487
NSN 5965-01-566-2744
NSN 5835-01-202-9673
NSN 6240-01-654-7974