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 6220-01-586-4949
NSN 6105-01-183-5509
NSN 6650-01-632-0521
NSN 6105-01-032-5168
NSN 5935-01-565-1489
NSN 5996-01-039-2704
NSN 6685-00-218-1229
NSN 5935-01-107-0365
NSN 5990-01-482-5950
NSN 6110-00-651-4043
NSN 5915-00-128-8808
NSN 6135-01-366-9633