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 5990-01-364-0813
NSN 5985-01-470-9675
NSN 6130-01-031-8104
NSN 5985-01-474-4409
NSN 6135-01-031-8078
NSN 5915-01-466-4928
NSN 6105-00-949-8889
NSN 6650-01-282-5805
NSN 6240-01-473-2761
NSN 5920-01-381-6361
NSN 5965-01-626-5775
NSN 6685-00-878-6128