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 5925-00-839-3889
NSN 6105-00-288-5872
NSN 5905-01-589-1569
NSN 5960-01-196-3018
NSN 5855-00-327-2112
NSN 5998-01-302-5033
NSN 5935-01-527-8330
NSN 5999-01-200-7797
NSN 5925-01-456-6944
NSN 6650-01-113-4197
NSN 6220-01-212-3254
NSN 6135-01-552-1568