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 6220-01-621-3473
NSN 5950-00-718-6060
NSN 6620-01-083-1526
NSN 5930-00-419-7812
NSN 6105-01-429-8777
NSN 5996-01-521-4007
NSN 5985-01-427-3734
NSN 6105-00-063-0941
NSN 6620-00-703-0860
NSN 5990-00-150-6979
NSN 5835-01-387-4227
NSN 5910-01-089-1976