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 6240-01-229-5712
NSN 6135-00-862-5736
NSN 6620-01-369-3589
NSN 5935-00-832-9787
NSN 5996-01-056-9046
NSN 6145-01-026-0030
NSN 6240-01-614-0559
NSN 6610-01-433-2219
NSN 5965-01-295-1125
NSN 5999-01-519-3733
NSN 6650-01-633-9147
NSN 5930-01-375-9501