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 5945-01-115-1010
NSN 6110-00-088-5078
NSN 6240-01-381-1072
NSN 5915-00-137-3006
NSN 5965-00-337-0777
NSN 2925-00-471-1128
NSN 5999-01-195-1237
NSN 4140-01-576-7966
NSN 5998-01-113-5556
NSN 6110-01-508-2868
NSN 6220-00-958-5441
NSN 6150-01-167-1827