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 5960-01-530-0581
NSN 6320-01-274-8886
NSN 5950-00-486-8214
NSN 5960-00-996-9555
NSN 6620-00-168-0308
NSN 2925-01-074-9102
NSN 6150-01-420-1243
NSN 6130-00-036-5131
NSN 5950-00-628-9428
NSN 5855-01-278-8922
NSN 5910-01-043-0589
NSN 6220-01-533-6553