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 5905-00-217-2980
NSN 5950-00-846-3744
NSN 5930-00-215-8867
NSN 5990-01-390-2177
NSN 5985-01-574-6767
NSN 5930-01-634-0659
NSN 5930-01-168-6823
NSN 5998-01-036-2797
NSN 6650-01-114-6019
NSN 5945-01-634-0588
NSN 5910-01-266-3058
NSN 5935-01-519-3746