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 6645-01-068-3042
NSN 6650-01-413-3825
NSN 5998-01-449-0044
NSN 5930-01-105-5512
NSN 6110-01-512-2008
NSN 5985-01-520-9347
NSN 7035-01-395-7851
NSN 5910-01-224-8214
NSN 6135-01-466-1153
NSN 5996-01-415-4629
NSN 6650-00-264-0664
NSN 5895-01-440-4102