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 5990-01-633-9503
NSN 6685-00-110-5525
NSN 5965-01-091-1884
NSN 5915-01-574-3943
NSN 5855-01-400-1590
NSN 5950-01-487-7708
NSN 5855-00-337-3679
NSN 5835-00-764-4388
NSN 5935-01-264-5089
NSN 5965-01-209-2838
NSN 5835-01-257-5342
NSN 4140-01-288-0764