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 6110-00-525-3418
NSN 6150-01-411-9259
NSN 5975-01-513-8394
NSN 6130-01-634-0603
NSN 6105-01-389-2775
NSN 5920-00-465-8488
NSN 6645-00-025-4771
NSN 6650-01-365-1894
NSN 7035-01-381-6185
NSN 5835-01-251-7301
NSN 5945-01-495-0509
NSN 6650-00-267-0390