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 5990-01-316-6344
NSN 6620-00-740-3699
NSN 4140-01-336-3626
NSN 5915-00-172-6958
NSN 6105-01-453-5443
NSN 5996-00-151-4462
NSN 6150-01-014-5691
NSN 5920-01-185-2222
NSN 5990-00-752-2126
NSN 6145-01-440-9225
NSN 6110-01-340-0030
NSN 6320-00-682-3448