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 6320-01-364-1840
NSN 5915-01-458-5697
NSN 5985-01-308-8988
NSN 5985-01-514-6333
NSN 6130-01-188-7411
NSN 5975-01-068-7376
NSN 5835-00-286-5432
NSN 6145-01-221-3105
NSN 5920-00-017-2851
NSN 5950-01-446-2565
NSN 4140-00-529-7463
NSN 5999-01-123-9152