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 5998-01-261-3081
NSN 5920-01-486-5788
NSN 5999-01-089-9915
NSN 6620-01-133-4193
NSN 5985-01-058-9837
NSN 5998-01-320-1544
NSN 5915-01-453-9949
NSN 5835-01-416-6455
NSN 5895-00-459-0966
NSN 6110-01-623-5215
NSN 5990-00-402-7721
NSN 5998-01-629-3880