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 5998-00-350-9640
NSN 5835-01-632-6627
NSN 6645-00-947-0625
NSN 5855-01-496-5793
NSN 5920-01-289-4169
NSN 5996-01-316-6453
NSN 6150-00-375-8786
NSN 6110-00-135-6447
NSN 6650-01-158-6888
NSN 6135-00-016-0071
NSN 5910-01-345-4157
NSN 5990-01-607-3528