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 5925-01-566-0909
NSN 5945-01-540-7794
NSN 7035-01-094-2365
NSN 5895-01-531-6319
NSN 5935-01-174-6302
NSN 5905-00-066-0067
NSN 6650-00-153-3155
NSN 5895-01-529-6354
NSN 5915-01-332-7433
NSN 5905-01-584-6491
NSN 6105-00-287-0989
NSN 5996-00-888-1180