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 6135-00-112-8637
NSN 6135-00-904-6780
NSN 6105-00-908-6977
NSN 5996-01-353-3975
NSN 5960-01-471-2656
NSN 6620-00-672-1957
NSN 6150-00-365-1711
NSN 6620-01-246-4314
NSN 5998-01-358-3155
NSN 5975-00-266-2029
NSN 6135-01-469-7574
NSN 6110-01-496-1257