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 5905-01-199-2661
NSN 2925-00-234-7918
NSN 5990-00-202-5127
NSN 6620-00-299-2530
NSN 5930-01-038-9694
NSN 5835-01-044-2628
NSN 6320-01-501-7935
NSN 5999-01-163-3816
NSN 5925-00-133-2963
NSN 5985-01-032-4612
NSN 6135-01-434-6308
NSN 6105-00-956-3902