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 6145-01-163-8368
NSN 5950-00-959-7915
NSN 5920-01-561-4307
NSN 6320-00-853-1920
NSN 5855-00-337-3679
NSN 5996-00-925-1953
NSN 6145-01-554-4755
NSN 5999-00-532-1067
NSN 6135-01-538-3507
NSN 6150-00-105-9935
NSN 5895-00-073-5071
NSN 6240-00-044-1821