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 6685-01-611-6964
NSN 5835-00-244-4956
NSN 5935-00-392-4072
NSN 6105-01-142-6179
NSN 5920-01-430-4696
NSN 6135-01-528-6896
NSN 5920-01-517-2868
NSN 6610-01-571-8038
NSN 4140-01-411-4764
NSN 6135-01-068-0119
NSN 5985-00-950-0249
NSN 5930-00-021-3218