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 5895-00-463-4025
NSN 5910-01-540-5920
NSN 5996-00-294-7045
NSN 5915-01-125-9340
NSN 6135-01-448-2823
NSN 6150-00-099-6919
NSN 5985-00-702-8877
NSN 6110-00-062-5908
NSN 6130-01-174-9989
NSN 6220-00-252-8025
NSN 6685-00-482-9477
NSN 4140-01-333-9612