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 6645-01-409-2003
NSN 6685-01-622-4358
NSN 6220-01-361-9295
NSN 5895-00-334-0142
NSN 5999-00-845-5312
NSN 5915-01-656-8877
NSN 6620-01-468-0362
NSN 5915-00-681-6299
NSN 6650-00-078-5773
NSN 5999-00-500-5414
NSN 5920-00-131-9893
NSN 5855-01-079-8716