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 6620-00-054-4778
NSN 5835-01-525-3220
NSN 5990-01-237-7188
NSN 5965-00-871-8987
NSN 5835-01-495-0595
NSN 5910-01-595-7670
NSN 5996-00-146-9746
NSN 5950-01-005-0111
NSN 5990-01-544-4360
NSN 5915-01-492-9691
NSN 6150-00-732-8038
NSN 6130-00-306-0161