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 6320-00-886-9771
NSN 5930-00-248-5723
NSN 5985-00-379-2345
NSN 6150-00-907-6882
NSN 6610-00-019-6733
NSN 5960-00-597-2680
NSN 6685-01-411-6623
NSN 5835-00-754-7255
NSN 6650-00-885-3775
NSN 6645-01-470-7246
NSN 6135-01-247-5660
NSN 7035-01-196-3445