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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 6320-01-425-1417
NSN 5915-01-571-7341
NSN 5855-00-688-9954
NSN 6650-01-129-8343
NSN 5915-00-943-1468
NSN 6645-00-905-7258
NSN 5895-01-289-9653
NSN 6645-01-572-2014
NSN 6650-00-456-7654
NSN 5905-01-340-6937
NSN 6145-00-983-8639
NSN 6685-01-604-9278