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 5835-01-332-2867
NSN 5950-00-862-2912
NSN 5985-01-490-3027
NSN 6150-01-374-9889
NSN 5905-01-063-8576
NSN 6135-01-478-9316
NSN 6620-01-504-5756
NSN 2925-01-185-1814
NSN 5990-00-351-5479
NSN 6240-00-978-9752
NSN 6650-00-453-5616
NSN 5990-01-472-2447