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 6110-01-566-4821
NSN 7035-01-611-5506
NSN 6320-01-631-7828
NSN 2925-01-109-3684
NSN 5985-00-269-3443
NSN 5895-01-042-4850
NSN 5990-01-121-1175
NSN 6620-01-650-1808
NSN 5905-01-338-0893
NSN 5930-01-630-6409
NSN 4140-01-160-7699
NSN 5935-00-272-9471