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 5975-01-552-6937
NSN 5996-00-597-2234
NSN 5960-00-313-6715
NSN 5985-00-145-2962
NSN 5930-01-293-8794
NSN 6320-01-493-4472
NSN 5835-01-268-1924
NSN 5920-00-411-7636
NSN 6320-00-593-0379
NSN 5855-01-372-9728
NSN 6240-00-958-6737
NSN 6135-01-591-1250