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 6650-01-051-4972
NSN 5985-01-070-9547
NSN 5945-01-583-4140
NSN 4140-01-492-5999
NSN 5935-00-409-4247
NSN 5945-01-481-7084
NSN 6685-01-629-6663
NSN 6130-01-423-4449
NSN 6150-01-024-5182
NSN 5920-01-600-3396
NSN 6145-01-202-8478
NSN 5960-01-573-6483