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 6130-01-607-4532
NSN 6150-01-292-9718
NSN 6645-01-578-6815
NSN 5985-01-077-0859
NSN 5910-01-430-0017
NSN 5996-00-487-5777
NSN 4140-00-911-7245
NSN 5998-01-469-3832
NSN 4140-01-526-9136
NSN 6650-00-518-2962
NSN 5930-01-487-6453
NSN 6130-01-429-0063