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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6620-01-325-6295
NSN 6130-01-412-5067
NSN 5835-01-163-4215
NSN 5930-00-926-3103
NSN 6150-00-482-7299
NSN 5985-01-657-1600
NSN 5925-00-972-9984
NSN 5950-01-445-2321
NSN 6620-00-920-1671
NSN 6320-01-278-2359
NSN 6105-01-500-0891
NSN 6220-01-322-5660