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, nesoi, of pumps for liquids
NSN 5965-01-437-0905
NSN 6105-00-642-2056
NSN 6650-00-418-2129
NSN 4140-00-253-1801
NSN 5960-00-078-9500
NSN 6135-01-424-1114
NSN 5930-00-498-6995
NSN 5835-00-958-6231
NSN 6650-01-659-8445
NSN 5920-00-253-4227
NSN 5960-01-211-2089
NSN 6610-00-051-4139