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 5945-01-113-9111
NSN 5915-01-483-2046
NSN 5920-01-133-3759
NSN 4140-00-854-2718
NSN 5895-00-338-7163
NSN 4140-01-085-4965
NSN 7035-01-475-9017
NSN 6240-01-472-2950
NSN 5930-01-344-8103
NSN 6110-00-163-6223
NSN 5990-01-411-8548
NSN 5905-01-020-9457