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 5910-01-148-1593
NSN 5999-01-504-0421
NSN 5985-00-626-8975
NSN 5930-00-732-0651
NSN 5920-00-575-8826
NSN 5905-00-205-2595
NSN 5935-00-171-3003
NSN 6135-01-552-1568
NSN 5945-00-854-1234
NSN 6650-00-404-6473
NSN 5915-01-421-3790
NSN 5975-00-268-3818