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 5990-01-400-3299
NSN 5945-01-014-4567
NSN 5960-00-943-5245
NSN 6110-00-022-9565
NSN 5965-00-470-9521
NSN 5935-01-620-0703
NSN 5990-01-122-7130
NSN 5855-01-436-0512
NSN 5935-00-257-8996
NSN 5935-00-086-9829
NSN 6610-00-535-7722
NSN 6320-00-456-2092