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 5985-00-595-5392
NSN 5935-01-081-2544
NSN 6130-00-694-9473
NSN 5930-00-050-3734
NSN 5985-01-147-7200
NSN 5920-00-017-2851
NSN 5895-01-069-3718
NSN 5930-01-659-9349
NSN 6650-01-376-6965
NSN 5950-01-625-0757
NSN 6650-01-503-7561
NSN 6645-01-305-4068