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 5905-01-483-1338
NSN 5920-01-656-6527
NSN 6685-01-601-9439
NSN 6130-00-170-4844
NSN 5990-01-287-1682
NSN 5915-01-507-6983
NSN 4140-01-461-2350
NSN 5930-01-229-0114
NSN 5935-01-429-9732
NSN 5999-01-545-9480
NSN 6240-01-548-0529
NSN 4140-01-202-0251