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 6685-01-422-1181
NSN 4140-01-349-5320
NSN 7035-01-361-8821
NSN 6240-01-500-6260
NSN 5855-01-417-3250
NSN 5935-01-210-4660
NSN 5835-01-368-1013
NSN 5910-01-289-0912
NSN 6240-01-399-8231
NSN 6110-01-492-9694
NSN 5985-01-462-5102
NSN 5905-00-764-7731