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 5930-00-508-1426
NSN 4140-00-707-5963
NSN 5990-00-926-4324
NSN 5999-01-339-5854
NSN 6145-01-437-8595
NSN 6150-01-583-1861
NSN 5975-01-418-5108
NSN 5930-01-242-5766
NSN 5930-01-338-7215
NSN 5985-01-022-5169
NSN 5985-01-468-5674
NSN 5930-00-528-9728