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 5935-01-416-2972
NSN 5990-01-582-1977
NSN 5910-00-422-2480
NSN 5920-01-559-5559
NSN 5996-00-698-8443
NSN 6240-01-463-3132
NSN 5999-01-111-9077
NSN 5930-01-516-3308
NSN 5985-01-158-6889
NSN 6110-00-146-2114
NSN 5950-01-600-8286
NSN 5855-01-467-3802