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 5998-01-445-0332
NSN 5985-00-916-6015
NSN 6135-01-265-1384
NSN 6150-01-456-0231
NSN 6650-01-574-4179
NSN 5920-01-607-4346
NSN 6610-01-399-7613
NSN 6685-01-534-8882
NSN 5975-01-586-4149
NSN 5990-01-421-5342
NSN 5835-01-412-0344
NSN 6645-01-099-6887