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 5935-00-823-0667
NSN 5990-00-067-1622
NSN 5985-00-936-1687
NSN 5920-00-081-9156
NSN 5996-00-824-5943
NSN 5905-00-577-2249
NSN 6135-00-593-6831
NSN 5960-01-142-8170
NSN 4140-01-192-3570
NSN 5965-01-474-5654
NSN 6105-01-454-2948
NSN 6130-00-810-3795