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 6135-01-535-2307
NSN 5998-01-431-5787
NSN 5999-00-296-2133
NSN 6150-01-502-6858
NSN 6105-01-460-9206
NSN 5999-00-892-8728
NSN 6135-01-156-4627
NSN 5925-00-839-7879
NSN 2925-00-134-2191
NSN 5950-01-187-7449
NSN 6240-00-190-2903
NSN 2925-00-056-7112