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 6135-00-062-5080
NSN 6320-00-164-4087
NSN 5975-00-761-5602
NSN 6110-00-003-6102
NSN 5975-00-957-8748
NSN 4140-01-256-6201
NSN 6650-01-341-9838
NSN 6220-00-988-5311
NSN 6145-00-221-6528
NSN 6240-01-183-5425
NSN 7035-01-354-7056
NSN 5905-01-293-6513