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 6320-00-456-0836
NSN 5960-00-859-5059
NSN 5950-01-515-9431
NSN 6220-01-502-2892
NSN 6320-01-039-5891
NSN 5985-01-439-6168
NSN 6110-00-463-6158
NSN 6110-01-044-4978
NSN 6320-01-631-7828
NSN 6240-00-125-6559
NSN 6150-01-121-4644
NSN 7035-01-158-7673