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 5998-01-062-1900
NSN 5905-01-181-5745
NSN 6105-01-262-6080
NSN 5950-01-317-4093
NSN 6135-01-222-5464
NSN 5935-01-072-9779
NSN 5950-01-116-0973
NSN 5920-01-521-3087
NSN 7035-00-421-8710
NSN 6620-00-420-1061
NSN 6220-00-913-8486
NSN 5920-01-449-1321