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 6240-01-467-3341
NSN 5975-01-408-5563
NSN 2925-01-307-7429
NSN 6650-01-646-6909
NSN 5920-00-349-8837
NSN 6145-01-472-2228
NSN 5935-01-345-1736
NSN 6645-01-180-6219
NSN 5998-01-267-9978
NSN 5910-00-583-0488
NSN 5915-01-227-4573
NSN 6650-01-604-9315