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 5998-01-142-8330
NSN 5855-01-154-3871
NSN 5960-01-462-1864
NSN 6105-00-103-0332
NSN 5935-01-389-6909
NSN 5835-01-608-3319
NSN 5935-01-359-4109
NSN 6135-00-764-8680
NSN 7035-01-239-9989
NSN 5945-01-495-0509
NSN 5935-00-997-1333
NSN 5905-01-612-4796