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 5905-01-253-1818
NSN 5996-01-147-6054
NSN 5920-01-379-3276
NSN 5930-01-515-2976
NSN 5835-01-548-5864
NSN 4140-01-306-4728
NSN 6650-01-227-9634
NSN 5835-01-604-7489
NSN 6135-01-151-2705
NSN 5910-01-615-0377
NSN 5960-01-416-6187
NSN 6685-01-606-4833