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 5920-00-043-1425
NSN 5996-00-935-5070
NSN 5975-01-401-5355
NSN 5960-00-443-1483
NSN 6150-01-643-1803
NSN 5930-00-781-4000
NSN 5935-01-120-9250
NSN 5960-00-712-8243
NSN 6105-01-656-0530
NSN 5960-00-215-5884
NSN 5925-01-309-9622
NSN 7035-01-167-2241