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 6220-00-276-8681
NSN 6320-01-418-2611
NSN 6240-00-646-6931
NSN 5895-01-056-2856
NSN 6650-00-267-9815
NSN 6130-01-193-8318
NSN 5999-01-634-0576
NSN 6220-01-021-8119
NSN 6105-01-013-9252
NSN 5985-00-392-3426
NSN 7035-00-631-3782
NSN 4140-01-442-2435