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 5935-00-314-3128
NSN 5930-00-928-3238
NSN 6645-00-276-7544
NSN 6130-01-442-8295
NSN 5835-01-089-7615
NSN 6610-01-284-3236
NSN 5965-01-432-1943
NSN 5930-01-152-2621
NSN 6135-00-715-4001
NSN 6610-00-492-9872
NSN 6150-00-467-5808
NSN 5915-00-928-1543