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 5835-01-550-5094
NSN 5920-01-096-1864
NSN 6130-01-503-8933
NSN 5855-01-010-4921
NSN 5950-01-302-8999
NSN 5999-01-486-6432
NSN 6220-00-269-8396
NSN 6240-01-640-9241
NSN 5905-00-996-3668
NSN 5965-01-573-6523
NSN 5945-01-375-0940
NSN 5950-01-463-4331