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.
NSN 6620-00-391-0374
NSN 5935-01-155-8583
NSN 5925-01-490-6296
NSN 5990-00-391-6207
NSN 5835-01-442-6482
NSN 6320-00-925-0558
NSN 5895-00-209-9766
NSN 5855-00-879-5849
NSN 5960-01-449-5726
NSN 5965-00-954-3011
NSN 5835-01-344-2857
NSN 5990-01-364-1942