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 5998-01-149-5685
NSN 5915-00-910-7145
NSN 6240-00-503-3506
NSN 6145-00-043-1258
NSN 6150-01-335-9760
NSN 5920-01-537-5758
NSN 5945-01-535-7037
NSN 5925-01-182-4747
NSN 6685-01-176-8623
NSN 6240-01-425-0606
NSN 2925-01-655-4455
NSN 6105-00-611-2581