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 4140-01-602-8454
NSN 6135-00-182-7008
NSN 5910-01-543-1648
NSN 5990-01-129-7701
NSN 5998-01-157-8244
NSN 5945-01-654-9004
NSN 5920-00-843-9007
NSN 6150-01-206-4944
NSN 5835-01-253-6160
NSN 6150-00-231-3689
NSN 5945-01-647-6829
NSN 5990-01-223-9414