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 5910-00-272-9286
NSN 5975-01-546-9919
NSN 5920-01-003-8110
NSN 5999-01-132-5406
NSN 6650-00-158-3683
NSN 2925-00-225-5386
NSN 5925-00-739-8068
NSN 2925-01-604-8984
NSN 5960-01-350-4288
NSN 6610-01-553-4749
NSN 5895-01-648-7711
NSN 5945-01-319-9116