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 5910-01-069-3988
NSN 5930-00-556-4508
NSN 6130-00-195-2130
NSN 6240-00-954-7853
NSN 5999-01-365-9018
NSN 5999-01-411-5135
NSN 6320-00-500-0613
NSN 5910-01-512-1340
NSN 5990-00-159-1774
NSN 5915-01-318-4045
NSN 5920-01-292-2570
NSN 6650-01-258-5871