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 6135-01-566-1034
NSN 5945-01-061-5209
NSN 5835-01-316-3255
NSN 5996-01-437-1186
NSN 6645-01-340-0892
NSN 6135-00-243-8330
NSN 6650-01-523-9850
NSN 5945-01-322-4908
NSN 5905-01-079-7235
NSN 6320-00-343-1798
NSN 5910-01-315-4204
NSN 5999-00-966-6440