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 5960-00-579-0298
NSN 6320-01-322-8340
NSN 5950-01-102-6312
NSN 7035-01-492-6799
NSN 4140-01-172-8793
NSN 5999-01-139-9761
NSN 5950-01-564-2719
NSN 5920-01-216-1981
NSN 5935-00-280-3116
NSN 6220-00-358-9580
NSN 6135-01-010-0891
NSN 7035-00-679-9027