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 6645-00-646-6631
NSN 5996-01-174-3183
NSN 6135-01-156-4627
NSN 5965-01-471-3278
NSN 2925-00-150-7334
NSN 6320-00-857-4073
NSN 6685-00-627-0181
NSN 4140-00-640-6811
NSN 5975-01-169-8211
NSN 5975-01-273-3816
NSN 5910-00-784-1771
NSN 6105-01-518-8314