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 spark-ignition internal combustion piston engines, nesoi
NSN 6685-01-234-2127
NSN 5835-00-984-1233
NSN 5965-00-309-4814
NSN 6320-01-447-4289
NSN 5985-01-607-5859
NSN 5895-01-163-1235
NSN 4140-01-262-7226
NSN 2925-00-677-5641
NSN 6130-01-386-1430
NSN 5935-00-979-9011
NSN 2925-01-590-8691
NSN 5835-01-464-2662