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 5998-01-256-6279
NSN 6685-01-423-9681
NSN 6320-00-139-1090
NSN 2925-01-290-7239
NSN 5990-01-195-9400
NSN 6105-01-494-8401
NSN 5996-00-167-5554
NSN 6320-00-809-5744
NSN 5999-00-248-3227
NSN 4140-01-503-1420
NSN 6110-00-482-3372
NSN 5965-01-602-3633