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 5935-01-421-4575
NSN 6145-00-419-0550
NSN 6110-01-018-3654
NSN 5965-01-502-8850
NSN 5905-01-225-3572
NSN 6135-00-900-2139
NSN 6110-01-384-3904
NSN 5996-00-349-8885
NSN 4140-01-438-9939
NSN 5990-01-054-3332
NSN 6110-00-322-0854
NSN 5960-00-485-0601