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 6135-01-156-4627
NSN 4140-00-538-1226
NSN 6320-01-461-5866
NSN 5835-01-552-8365
NSN 6685-01-486-3679
NSN 5930-00-553-3863
NSN 5999-01-437-7235
NSN 6130-00-153-3136
NSN 5855-00-408-2611
NSN 5960-00-222-6174
NSN 6610-01-309-1930
NSN 5855-00-896-4047