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 6110-01-582-5478
NSN 2925-00-724-9252
NSN 5990-01-250-4198
NSN 5999-01-391-7475
NSN 5935-00-632-8893
NSN 5915-01-521-7194
NSN 5960-01-112-0721
NSN 5905-01-028-5181
NSN 5915-01-278-9176
NSN 5950-01-423-7465
NSN 5915-01-379-0307
NSN 6320-00-674-1361