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 5975-01-473-2767
NSN 5998-01-633-4967
NSN 5935-01-465-7875
NSN 5915-01-262-8957
NSN 5990-01-278-9985
NSN 5965-00-153-5216
NSN 6620-01-575-9561
NSN 6650-01-343-1708
NSN 5990-01-337-4584
NSN 5990-00-250-5205
NSN 5999-00-400-8141
NSN 5925-01-513-3338