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 6650-01-633-9147
NSN 5925-01-526-6181
NSN 6645-01-564-8610
NSN 6650-01-349-3503
NSN 6320-01-397-9995
NSN 5905-01-017-3791
NSN 5960-00-833-9154
NSN 5998-00-092-8678
NSN 5915-01-581-8400
NSN 6320-01-461-1390
NSN 5925-00-074-4226
NSN 5950-00-453-2449