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 6150-00-062-1147
NSN 5960-00-080-5670
NSN 6240-00-193-0656
NSN 6220-00-858-0925
NSN 6645-00-337-8298
NSN 6220-01-020-8703
NSN 5910-01-453-7363
NSN 5996-01-207-0804
NSN 5960-00-654-7300
NSN 6150-01-354-0705
NSN 6685-00-578-0974
NSN 5935-00-856-0418