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 5835-01-310-8979
NSN 5930-01-069-2776
NSN 5960-01-165-1956
NSN 5965-01-520-9725
NSN 6220-00-755-7546
NSN 5935-00-190-7034
NSN 5835-01-438-7899
NSN 6150-00-189-0292
NSN 5910-01-650-8609
NSN 6320-00-456-2092
NSN 5905-00-828-7452
NSN 6220-00-961-0783