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 4140-00-434-5001
NSN 6685-01-464-3128
NSN 5895-01-216-5517
NSN 6105-00-567-5872
NSN 6220-01-206-4899
NSN 6610-01-520-6889
NSN 5835-00-406-4990
NSN 6135-01-392-4160
NSN 5910-01-348-8503
NSN 5905-00-056-9621
NSN 6240-01-134-2151
NSN 6220-01-656-3925