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 6105-01-458-8428
NSN 6220-01-225-4543
NSN 5915-01-114-5908
NSN 6240-01-300-0742
NSN 5999-01-215-4867
NSN 5925-01-560-7567
NSN 5945-00-901-7736
NSN 6110-00-578-7243
NSN 5925-00-369-7747
NSN 7035-00-185-8683
NSN 6130-01-642-3581
NSN 2925-01-262-1418