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 5990-01-310-5630
NSN 6130-01-042-9862
NSN 5905-00-246-6672
NSN 6130-01-178-3648
NSN 7035-01-350-4247
NSN 6645-00-533-8037
NSN 5895-00-661-1773
NSN 5996-01-301-1078
NSN 5960-01-425-1454
NSN 6650-01-035-8584
NSN 6650-01-541-4357
NSN 6610-01-381-3181