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 7035-01-082-0311
NSN 6130-01-571-0572
NSN 5999-01-412-0470
NSN 5950-01-200-7561
NSN 5985-01-013-6718
NSN 5975-00-279-8693
NSN 5965-01-336-9732
NSN 6105-01-205-1514
NSN 5835-01-412-0344
NSN 5950-01-511-7661
NSN 5920-01-438-4885
NSN 5920-00-246-4657