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 5990-00-552-1611
NSN 5999-00-354-1898
NSN 6220-00-179-9104
NSN 5960-01-641-5493
NSN 6645-01-305-1124
NSN 5985-01-089-8621
NSN 6610-01-192-2467
NSN 6320-00-925-0558
NSN 5925-01-484-1353
NSN 5920-01-433-2261
NSN 6145-01-609-0028
NSN 6650-01-364-8504