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 5975-00-253-4198
NSN 6650-00-197-7563
NSN 6620-00-212-6921
NSN 6145-00-482-1724
NSN 6145-01-392-8938
NSN 4140-01-252-9502
NSN 5996-01-458-6641
NSN 6620-00-193-9503
NSN 5910-01-485-0154
NSN 5920-01-409-2830
NSN 5985-00-157-6025
NSN 6685-01-198-2118