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 6685-01-400-2374
NSN 5855-01-485-7755
NSN 5835-01-343-7516
NSN 6685-01-611-1132
NSN 2925-00-494-5537
NSN 6130-01-318-5822
NSN 5999-00-531-4303
NSN 5935-00-919-2076
NSN 5930-01-104-5295
NSN 5905-01-360-1441
NSN 6135-00-583-3966
NSN 6685-00-875-9889