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 5985-01-485-0191
NSN 6610-01-509-2048
NSN 5960-01-550-8038
NSN 5915-01-335-1947
NSN 6620-01-365-1499
NSN 6240-00-698-5822
NSN 6620-01-108-5824
NSN 5950-00-791-2711
NSN 7035-00-213-6413
NSN 5999-01-449-8251
NSN 2925-01-250-2731
NSN 5975-00-070-9553