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 5915-00-540-7437
NSN 5965-01-068-2714
NSN 5990-01-367-9168
NSN 5895-01-147-5015
NSN 5999-01-015-3901
NSN 5895-01-085-9706
NSN 6650-01-608-4820
NSN 5990-00-813-9405
NSN 6130-01-449-7594
NSN 6130-01-220-7779
NSN 6645-01-123-4443
NSN 6105-01-353-9763