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 5920-01-281-9965
NSN 6620-01-519-2628
NSN 6110-00-314-0377
NSN 2925-00-933-0200
NSN 5950-00-362-5661
NSN 5920-01-597-5483
NSN 6130-01-156-4798
NSN 5855-01-040-3881
NSN 5950-01-605-3104
NSN 4140-01-152-9161
NSN 5925-01-089-9791
NSN 6620-01-440-1579