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 6620-00-408-1290
NSN 6135-01-132-6310
NSN 5930-01-364-3762
NSN 5835-01-481-4204
NSN 5990-01-434-7913
NSN 5910-00-420-7512
NSN 5950-01-141-7019
NSN 6135-01-521-0378
NSN 5998-00-075-3858
NSN 5835-00-034-4976
NSN 5920-01-551-1295
NSN 5925-01-649-1424