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 5925-01-647-1651
NSN 6110-00-248-7475
NSN 5960-00-078-4173
NSN 5835-00-644-4512
NSN 6130-00-862-5516
NSN 5855-00-763-2155
NSN 5835-00-887-6420
NSN 5935-01-457-7908
NSN 5895-01-174-3355
NSN 7035-00-585-2113
NSN 5950-01-507-8470
NSN 6240-01-556-7096