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 6650-00-859-1859
NSN 6320-01-465-2028
NSN 5999-01-254-6103
NSN 5930-01-233-4886
NSN 5999-01-408-5016
NSN 5915-00-232-3387
NSN 5835-01-531-0379
NSN 6685-00-963-9995
NSN 5960-01-098-8437
NSN 5975-00-518-0780
NSN 5965-01-554-9501
NSN 5998-01-554-2519