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 6650-01-374-4923
NSN 4140-01-603-5356
NSN 5835-00-195-7508
NSN 5930-00-163-5151
NSN 6130-00-212-4883
NSN 6650-00-618-1118
NSN 5998-00-186-0201
NSN 6220-01-043-6500
NSN 5975-01-012-7444
NSN 5855-01-366-2429
NSN 5998-01-633-0905
NSN 5975-01-514-6820