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 5835-00-470-4295
NSN 5950-00-864-0952
NSN 6145-01-435-8758
NSN 5999-01-203-7715
NSN 5945-01-531-7366
NSN 5950-00-563-0400
NSN 5965-00-518-0958
NSN 5855-01-284-3500
NSN 2925-00-309-4884
NSN 5855-00-079-2370
NSN 5990-01-502-8209
NSN 5950-01-464-0714