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 6135-01-372-6985
NSN 5855-01-379-3160
NSN 6105-00-549-2668
NSN 7035-00-480-6767
NSN 5925-00-859-7942
NSN 5996-01-268-1625
NSN 6150-01-102-8899
NSN 5910-01-110-5158
NSN 6130-01-050-7036
NSN 7035-01-591-6319
NSN 5990-01-177-2838
NSN 5990-01-278-9985