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 5920-01-429-9947
NSN 5985-01-012-5648
NSN 5935-01-529-9087
NSN 5965-01-377-3587
NSN 6620-00-948-3801
NSN 4140-00-782-7688
NSN 5905-00-170-4163
NSN 5985-01-036-6216
NSN 5990-00-723-2482
NSN 6650-00-388-4517
NSN 5925-00-925-2164
NSN 6645-01-309-6455