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 5965-00-013-7990
NSN 2925-01-151-6969
NSN 6320-00-139-1090
NSN 6145-01-495-0819
NSN 5925-01-317-1824
NSN 5895-00-587-7406
NSN 6110-01-223-1386
NSN 6320-01-575-6342
NSN 5990-01-018-3953
NSN 6110-01-097-1406
NSN 5990-01-411-5930
NSN 4140-01-121-3980