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 6240-01-417-1933
NSN 6650-01-013-9334
NSN 6650-01-145-5173
NSN 6150-01-633-3882
NSN 5855-01-591-7998
NSN 5855-01-100-3272
NSN 6105-01-493-2518
NSN 5920-01-166-7421
NSN 5920-00-233-8690
NSN 5835-00-422-1441
NSN 5996-01-234-6084
NSN 5905-01-641-6930