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 steam turbines
NSN 6110-00-271-9928
NSN 6645-01-130-9393
NSN 6645-01-508-9074
NSN 6240-00-855-4518
NSN 5950-00-800-3092
NSN 5990-01-184-6830
NSN 6150-01-198-1561
NSN 6320-01-627-8295
NSN 4140-00-921-3814
NSN 5855-01-457-6122
NSN 5935-01-124-3543
NSN 6220-00-036-5211