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 6145-00-866-5666
NSN 6320-00-116-3658
NSN 5996-01-128-7031
NSN 6610-01-510-2302
NSN 6105-00-299-0673
NSN 6645-00-171-9251
NSN 4140-01-296-4952
NSN 5920-01-510-9921
NSN 5895-01-412-0950
NSN 6320-01-171-3238
NSN 5835-01-182-1966
NSN 5945-01-323-4517