A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 6650-01-472-6896
NSN 6320-01-302-5157
NSN 6105-01-450-4719
NSN 5935-01-445-9848
NSN 6105-00-869-0782
NSN 5999-01-159-4170
NSN 5998-00-926-2954
NSN 5998-00-539-3829
NSN 5905-00-132-4867
NSN 6650-01-481-8009
NSN 5965-00-698-0433
NSN 6130-00-266-7496