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 5999-01-342-3357
NSN 5905-00-243-9520
NSN 5975-01-269-4356
NSN 5895-01-112-0049
NSN 5960-01-624-1170
NSN 6650-01-555-8349
NSN 6110-00-074-1442
NSN 5930-00-773-8188
NSN 5985-00-365-6806
NSN 5920-01-555-6944
NSN 6240-00-603-6662
NSN 5930-00-807-1273