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 6240-01-400-1311
NSN 6220-01-049-4536
NSN 5999-00-629-7463
NSN 5925-01-421-3154
NSN 5985-01-238-3899
NSN 6650-01-309-3462
NSN 5895-00-682-6303
NSN 6110-01-262-6618
NSN 6610-01-111-9689
NSN 6220-01-448-5438
NSN 6110-01-562-1821
NSN 5925-01-568-8914