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 or compression-ignition internal combustion piston engines for use in aircraft except civil
NSN 5950-00-467-0075
NSN 5915-01-630-2779
NSN 6320-01-190-1397
NSN 5935-00-842-9974
NSN 5910-00-518-1477
NSN 5835-00-235-6960
NSN 6105-01-269-8467
NSN 6645-00-819-5045
NSN 6145-01-604-1904
NSN 2925-00-163-9016
NSN 5950-01-433-2147
NSN 5905-00-827-1784