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 5835-01-128-9331
NSN 7035-01-013-9889
NSN 4140-01-519-9343
NSN 6320-00-284-1524
NSN 5996-00-518-3675
NSN 5965-01-455-3738
NSN 6240-01-480-8996
NSN 5985-01-051-1526
NSN 6645-00-406-2564
NSN 4140-01-481-4237
NSN 5998-01-632-6567
NSN 5996-01-437-1186