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 5905-01-235-1144
NSN 5945-00-881-6431
NSN 5910-01-633-9963
NSN 4140-01-415-2478
NSN 5905-01-181-1555
NSN 7035-01-435-7962
NSN 6105-01-507-7442
NSN 6240-01-131-1154
NSN 5999-01-148-2225
NSN 2925-01-500-0730
NSN 5990-00-177-2924
NSN 6320-01-560-7177