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 5935-01-587-5302
NSN 6150-00-973-2152
NSN 6220-00-850-6553
NSN 6610-01-135-2149
NSN 5945-00-681-0371
NSN 4140-01-012-3996
NSN 6610-01-583-9635
NSN 6685-00-291-4050
NSN 5910-00-919-4375
NSN 2925-00-278-9468
NSN 5835-01-469-8968
NSN 6620-01-415-5803