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 5985-01-600-1583
NSN 4140-01-136-9802
NSN 5990-01-553-6859
NSN 5960-01-172-8617
NSN 6645-00-171-9639
NSN 5998-01-293-8661
NSN 5835-01-532-9373
NSN 5915-01-535-6666
NSN 5920-01-442-3395
NSN 5999-00-860-1068
NSN 5920-01-616-9848
NSN 5910-00-186-0917