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.
NSN 6145-00-236-3226
NSN 5930-01-373-1437
NSN 5910-01-457-9744
NSN 5985-01-279-3006
NSN 6620-01-385-4362
NSN 4140-01-169-3960
NSN 6620-01-071-6020
NSN 5835-01-272-4087
NSN 6110-01-204-2733
NSN 6150-01-582-6066
NSN 5905-01-112-9719
NSN 5925-01-490-6296