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 5985-01-379-4701
NSN 2925-01-564-6585
NSN 2925-01-607-7754
NSN 6645-01-118-2058
NSN 6240-00-542-6657
NSN 5915-01-583-6420
NSN 6320-00-593-0379
NSN 5996-01-569-0431
NSN 2925-00-275-1807
NSN 5950-00-911-9519
NSN 5950-00-296-5505
NSN 5985-01-521-8687