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 5915-00-269-9252
NSN 6620-01-192-9896
NSN 5975-01-382-5358
NSN 5975-01-003-9803
NSN 5945-00-080-9692
NSN 5985-01-536-1107
NSN 6240-00-079-0112
NSN 5895-01-418-9001
NSN 6240-00-734-3276
NSN 6320-00-937-5625
NSN 5975-01-152-9353
NSN 6320-00-405-2348