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 5905-01-481-4413
NSN 5835-01-521-4979
NSN 6130-00-448-2911
NSN 6645-01-464-4651
NSN 5895-01-023-0061
NSN 6610-00-403-1991
NSN 5935-00-725-5601
NSN 6650-01-544-0366
NSN 5990-01-514-8030
NSN 6320-01-150-5378
NSN 5910-01-019-5920
NSN 6645-01-091-0009