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 4140-01-596-0580
NSN 5905-01-504-1038
NSN 6110-00-478-3794
NSN 6240-01-586-0275
NSN 5930-00-865-6784
NSN 6105-00-225-5387
NSN 5975-01-392-6126
NSN 5975-01-573-5209
NSN 5960-01-599-9821
NSN 6645-01-098-5077
NSN 5925-00-307-4015
NSN 4140-01-181-4485