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 5950-01-541-4022
NSN 5975-00-022-1307
NSN 6620-01-456-0529
NSN 5990-01-085-2068
NSN 5996-00-824-1200
NSN 5998-00-935-2390
NSN 5835-01-023-8733
NSN 6145-00-768-8976
NSN 5975-01-550-3183
NSN 5999-01-432-2147
NSN 4140-01-065-3981
NSN 5990-00-136-9609