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 5905-01-431-6863
NSN 5855-00-149-0766
NSN 5915-00-766-9960
NSN 4140-00-555-3856
NSN 6150-01-090-4588
NSN 6135-01-124-2376
NSN 5895-01-508-4893
NSN 5965-00-328-6884
NSN 6220-00-013-9523
NSN 5905-01-495-3365
NSN 5855-01-105-7793
NSN 5990-01-492-6575