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 5960-01-474-4843
NSN 6240-01-179-4547
NSN 5996-00-507-3508
NSN 6130-01-349-6375
NSN 5960-00-931-8172
NSN 5920-01-605-0214
NSN 5960-01-656-6343
NSN 6105-01-214-1844
NSN 6240-01-195-8696
NSN 5905-01-438-7802
NSN 5985-01-528-7050
NSN 6135-00-062-5080