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 6645-01-012-5972
NSN 5905-00-555-1899
NSN 5999-01-092-2655
NSN 6130-00-803-4580
NSN 6135-00-995-1089
NSN 5945-00-203-5859
NSN 5855-00-361-0167
NSN 6650-00-650-1683
NSN 5999-01-473-3720
NSN 5950-01-497-7682
NSN 5985-01-162-8120
NSN 6145-00-162-1222