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 5990-01-440-7135
NSN 5895-01-064-3224
NSN 5999-01-406-6274
NSN 5920-00-503-4850
NSN 6105-01-019-8008
NSN 6135-00-255-1340
NSN 6240-01-273-0193
NSN 6685-00-764-6311
NSN 6105-01-485-3903
NSN 6610-01-459-6534
NSN 5915-00-775-9076
NSN 5985-00-789-9869