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 5915-01-341-7310
NSN 5925-01-619-3730
NSN 5985-00-617-9043
NSN 6240-01-507-2788
NSN 6135-01-384-4395
NSN 6220-00-421-8201
NSN 5975-00-581-4667
NSN 6145-01-312-2265
NSN 6135-00-223-9563
NSN 6135-01-120-9812
NSN 5895-00-244-2744
NSN 6620-01-314-3635