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 5835-00-061-5717
NSN 5950-01-278-9057
NSN 4140-01-350-3277
NSN 6135-01-272-4047
NSN 6620-01-218-6203
NSN 6130-01-454-7057
NSN 5855-01-574-1821
NSN 5930-01-610-7723
NSN 6240-01-414-9529
NSN 5990-01-600-8407
NSN 6105-01-437-8875
NSN 6320-01-331-6947