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 5960-01-183-3779
NSN 5975-00-551-3152
NSN 5960-01-415-3574
NSN 5930-01-290-5921
NSN 5905-01-570-5937
NSN 5925-00-432-0121
NSN 6105-01-292-4446
NSN 5930-00-427-9252
NSN 5905-00-526-9582
NSN 5996-01-199-9615
NSN 5998-01-535-1171
NSN 5930-00-651-7900