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 5998-01-416-1948
NSN 6610-00-248-1559
NSN 5985-01-400-3667
NSN 5996-01-576-5011
NSN 7035-01-501-5938
NSN 5998-01-031-7535
NSN 7035-01-462-1957
NSN 5950-01-342-6936
NSN 5950-00-157-3785
NSN 2925-01-400-2286
NSN 5950-01-463-9780
NSN 5950-01-216-7982