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 6620-00-431-3837
NSN 6220-01-454-0815
NSN 6685-00-246-5349
NSN 5935-00-046-4551
NSN 5985-01-514-8942
NSN 6220-01-183-4206
NSN 5999-00-258-6014
NSN 6150-00-460-1334
NSN 6145-01-270-9357
NSN 5965-00-126-8401
NSN 5915-01-518-0273
NSN 6150-01-088-7643