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 6620-00-676-9563
NSN 5998-01-361-1441
NSN 5945-00-642-3077
NSN 5996-01-029-6021
NSN 5975-00-051-5934
NSN 5975-00-249-1685
NSN 6240-01-137-1279
NSN 5990-01-574-2522
NSN 7035-01-276-0355
NSN 6145-00-969-5612
NSN 6685-01-441-9378
NSN 5935-00-177-7950