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 4140-01-331-2234
NSN 5835-00-233-6327
NSN 5965-00-324-2428
NSN 5950-01-554-6180
NSN 6645-00-926-4394
NSN 5985-00-828-0615
NSN 5960-01-149-1261
NSN 7035-00-941-4949
NSN 5998-00-752-1162
NSN 5945-00-907-3420
NSN 6240-01-523-6064
NSN 5996-01-486-8557