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 6145-00-347-1171
NSN 6610-01-205-8340
NSN 5999-01-422-1056
NSN 6240-00-450-0675
NSN 5965-00-161-4578
NSN 5855-00-149-0766
NSN 6610-01-633-8931
NSN 5855-00-586-6255
NSN 6130-00-609-3358
NSN 5960-01-138-0684
NSN 5950-01-152-6927
NSN 5905-01-495-2285