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 6145-01-466-4371
NSN 5935-01-163-1928
NSN 5920-00-378-1395
NSN 5985-01-126-2099
NSN 5905-01-365-0340
NSN 5985-01-506-1466
NSN 5990-01-548-2151
NSN 6320-01-326-1316
NSN 5905-01-339-6491
NSN 5855-00-361-0167
NSN 6240-00-062-7078
NSN 2925-01-502-2385