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 5895-00-779-2736
NSN 6620-01-004-2738
NSN 5920-01-364-1335
NSN 5999-00-852-2518
NSN 5910-00-419-0330
NSN 6130-00-525-3246
NSN 5975-01-274-8813
NSN 5895-01-429-8561
NSN 5905-01-204-1362
NSN 6145-00-907-9399
NSN 5996-00-135-1548
NSN 2925-01-101-4655