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 4140-01-553-7817
NSN 6220-01-211-0942
NSN 5895-00-288-5878
NSN 5925-00-462-5506
NSN 6220-01-223-3984
NSN 5935-01-514-0572
NSN 5998-01-417-2117
NSN 6620-01-632-9143
NSN 5990-01-633-9503
NSN 5975-01-359-8503
NSN 6645-01-481-9834
NSN 4140-01-472-1736