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 5960-01-564-5044
NSN 5935-01-520-6642
NSN 2925-00-939-1979
NSN 6105-01-082-1208
NSN 6645-01-633-1852
NSN 6105-01-383-0325
NSN 4140-00-392-7235
NSN 6320-01-435-5991
NSN 5998-00-365-8887
NSN 6145-01-556-8015
NSN 5915-00-609-3764
NSN 2925-00-816-8765