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 5975-01-634-0678
NSN 5925-01-408-6577
NSN 6620-01-179-7259
NSN 5945-01-434-8273
NSN 2925-01-442-7812
NSN 5985-01-087-2998
NSN 5965-00-897-5560
NSN 5985-00-913-4821
NSN 6145-01-374-3380
NSN 5999-00-175-9783
NSN 5990-01-348-9843
NSN 6685-01-426-7060