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 6135-01-499-2112
NSN 6145-01-357-5648
NSN 5915-00-421-2991
NSN 4140-00-626-6470
NSN 5855-01-385-4234
NSN 6320-01-039-5891
NSN 2925-01-446-6523
NSN 5925-01-309-2366
NSN 6620-01-630-6759
NSN 6150-00-135-2413
NSN 6240-01-184-6831
NSN 5945-00-163-4060