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 2925-00-449-2478
NSN 5996-00-734-5364
NSN 5985-01-504-9827
NSN 5999-01-586-7919
NSN 6620-01-508-9702
NSN 6650-00-622-4991
NSN 6320-01-648-5538
NSN 5895-00-297-6689
NSN 5920-01-538-4416
NSN 5985-00-782-7333
NSN 5950-00-188-3214
NSN 5915-01-403-2599