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 5920-01-509-8182
NSN 5855-00-944-0949
NSN 5915-01-130-7753
NSN 5835-00-279-1594
NSN 5835-01-004-6693
NSN 6105-00-850-6481
NSN 5985-01-094-9340
NSN 5935-00-199-9614
NSN 6650-00-767-4879
NSN 5965-01-204-8505
NSN 4140-00-490-9028
NSN 5920-01-440-9346