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 6110-01-426-8892
NSN 6130-01-246-3310
NSN 6105-01-329-1024
NSN 5835-00-891-2784
NSN 5960-01-567-1096
NSN 6220-01-567-1496
NSN 6150-00-302-6184
NSN 6620-01-502-9104
NSN 5985-01-210-6071
NSN 5855-01-147-6024
NSN 6320-01-496-9907
NSN 6135-00-519-1325