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 4140-01-449-9037
NSN 5855-01-428-9456
NSN 5915-00-608-7385
NSN 5975-00-348-7427
NSN 6320-00-004-9158
NSN 6645-01-489-0455
NSN 5855-01-064-8961
NSN 4140-01-562-8930
NSN 5975-01-413-6829
NSN 6240-01-465-7519
NSN 6220-01-190-8605
NSN 6645-01-450-7271