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 6110-00-772-7855
NSN 6620-01-503-2667
NSN 6130-01-541-8255
NSN 6135-01-299-7252
NSN 5945-01-223-5753
NSN 5895-01-600-2733
NSN 5835-01-138-8622
NSN 5915-01-569-5655
NSN 6220-01-242-9901
NSN 5960-00-556-2621
NSN 5930-01-259-1324
NSN 6135-01-394-4160