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 4140-01-469-6140
NSN 5855-00-149-0766
NSN 5835-00-552-0734
NSN 6240-01-255-5080
NSN 5996-01-323-7763
NSN 4140-00-005-4574
NSN 7035-01-028-4966
NSN 6645-01-435-2277
NSN 6220-00-502-6380
NSN 7035-01-056-5350
NSN 6240-00-952-9561
NSN 7035-01-398-9581