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 5915-01-543-5833
NSN 5998-01-212-9902
NSN 5965-00-942-1602
NSN 5999-00-934-8747
NSN 4140-00-307-2732
NSN 6135-00-484-8556
NSN 5905-01-252-9097
NSN 5910-01-648-7798
NSN 5835-00-825-2512
NSN 5920-01-191-1199
NSN 5960-01-194-4506
NSN 5950-01-406-2849