Material modified per specification supplement pwa-s-6304
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 5935-00-499-6331
NSN 5950-00-218-1362
NSN 5855-00-149-0766
NSN 6105-00-388-6572
NSN 5990-00-140-4559
NSN 5999-01-222-1728
NSN 6620-00-062-9722
NSN 5930-01-399-3748
NSN 6650-01-654-1904
NSN 5925-01-640-9238
NSN 2925-01-354-1752
NSN 6145-01-114-2995