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 6320-00-937-5625
NSN 5930-01-004-3953
NSN 5895-01-496-4725
NSN 6130-01-221-6862
NSN 6105-00-913-6160
NSN 6320-00-036-3688
NSN 5965-00-752-5823
NSN 5925-00-327-1984
NSN 6105-01-032-5168
NSN 6620-00-172-3855
NSN 6240-01-462-1874
NSN 6610-00-248-1559