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 5915-01-425-2981
NSN 5855-01-444-4859
NSN 5920-00-158-9960
NSN 5975-01-623-8901
NSN 4140-01-191-1247
NSN 6240-01-195-8696
NSN 5985-01-421-3495
NSN 5835-00-513-9680
NSN 5935-00-481-9325
NSN 6105-00-947-7119
NSN 6650-01-014-5990
NSN 6620-00-137-0332