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 6320-01-527-0211
NSN 6650-01-083-9706
NSN 5965-01-521-9972
NSN 5999-01-151-9671
NSN 5975-00-518-0780
NSN 5920-01-353-5340
NSN 5930-01-646-3004
NSN 5965-00-035-4556
NSN 6240-00-760-0374
NSN 5975-00-406-4753
NSN 4140-01-415-0941
NSN 5935-01-328-0979