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 5920-01-050-7474
NSN 5985-01-357-4408
NSN 5855-00-149-0766
NSN 6145-01-079-1475
NSN 5835-01-084-6997
NSN 5935-01-573-4008
NSN 6610-01-414-7481
NSN 6135-01-322-4655
NSN 6150-01-059-2924
NSN 5905-00-730-3257
NSN 6240-00-271-5995
NSN 5990-01-013-8464