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 6105-00-212-0592
NSN 5835-01-642-4705
NSN 6645-01-234-0222
NSN 5960-01-337-2823
NSN 5975-01-043-9114
NSN 6320-00-089-9426
NSN 6320-00-389-4756
NSN 5930-01-373-2660
NSN 6685-01-271-5058
NSN 5895-01-612-7197
NSN 5945-01-046-0937
NSN 5905-01-115-9679