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 6320-01-342-7548
NSN 5945-01-302-6229
NSN 6650-01-378-6868
NSN 6220-00-605-0404
NSN 6320-00-382-7825
NSN 5895-00-171-0412
NSN 5920-01-422-0177
NSN 6685-01-040-2238
NSN 4140-01-337-4625
NSN 6135-00-708-0892
NSN 6650-00-583-1735
NSN 5950-01-294-4702