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 5998-01-429-8566
NSN 4140-01-509-2323
NSN 6135-01-383-1910
NSN 6110-01-607-0891
NSN 6105-01-369-6173
NSN 5920-00-914-8702
NSN 5935-01-495-0310
NSN 5998-01-333-0782
NSN 4140-01-523-3837
NSN 5920-01-581-4622
NSN 5945-00-723-4629
NSN 5996-01-308-7987