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 5895-01-384-4941
NSN 5945-01-361-0111
NSN 6645-00-240-4749
NSN 5945-01-541-3754
NSN 6240-01-024-6155
NSN 5920-01-233-1205
NSN 5960-01-125-2356
NSN 5915-01-329-1762
NSN 5855-01-329-3568
NSN 5945-00-250-8500
NSN 5905-00-269-3287
NSN 6320-00-925-0558