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 5855-01-391-7077
NSN 5855-01-644-5841
NSN 5930-01-601-5034
NSN 5985-01-100-3195
NSN 6320-01-461-1390
NSN 6240-00-967-4788
NSN 5920-01-335-9527
NSN 5999-01-415-1215
NSN 5945-01-371-6996
NSN 5855-01-075-1292
NSN 6240-00-155-5817
NSN 5905-00-560-1936