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 5925-01-634-0664
NSN 5910-00-631-5819
NSN 5835-00-770-2843
NSN 6105-01-367-9679
NSN 5855-00-484-8638
NSN 6110-00-271-9928
NSN 5990-01-378-7349
NSN 6130-01-476-2843
NSN 6110-01-062-4745
NSN 5925-01-590-2513
NSN 5990-01-542-4212
NSN 7035-01-029-7221