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 5835-01-399-5820
NSN 5990-00-067-6791
NSN 5905-01-643-8505
NSN 6105-01-386-4038
NSN 5935-01-130-1884
NSN 6150-01-206-1598
NSN 2925-00-221-8529
NSN 5950-00-097-0995
NSN 6650-01-467-2355
NSN 6645-01-218-9092
NSN 7035-01-378-5074
NSN 6650-01-315-2922