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 6650-01-358-2827
NSN 6620-00-938-1789
NSN 5835-01-589-4735
NSN 5930-01-352-4720
NSN 6150-00-660-8545
NSN 5930-01-099-7073
NSN 6130-00-769-9624
NSN 5855-00-185-1560
NSN 6620-01-416-1757
NSN 6145-00-269-4271
NSN 6145-01-302-3916
NSN 5935-00-007-0055