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.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5925-01-608-2640
NSN 6320-01-287-0540
NSN 4140-00-884-4553
NSN 5930-00-833-9808
NSN 2925-00-887-2073
NSN 4140-01-472-3727
NSN 5835-01-560-3486
NSN 6610-01-633-8931
NSN 6620-01-202-4706
NSN 4140-01-222-7552
NSN 5945-01-141-7017
NSN 5965-01-241-0553