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 5990-01-573-1634
NSN 6130-01-156-4151
NSN 5998-00-528-9032
NSN 5999-01-461-2968
NSN 6685-00-627-5236
NSN 6650-00-356-8405
NSN 5998-00-507-3765
NSN 5930-01-253-6421
NSN 6130-01-627-2487
NSN 5996-00-453-6027
NSN 5999-01-660-6479
NSN 6130-01-317-0369