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 5990-00-366-0112
NSN 6650-00-520-5785
NSN 4140-01-264-9258
NSN 5910-01-513-9888
NSN 6130-00-952-9037
NSN 6240-01-415-5149
NSN 6650-00-515-6002
NSN 6105-00-106-0395
NSN 5905-01-447-2806
NSN 5985-00-288-6001
NSN 5999-01-401-5322
NSN 6130-01-523-6982