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 6220-00-140-3551
NSN 5998-01-333-4880
NSN 2925-01-400-2286
NSN 5855-01-103-8650
NSN 6150-00-218-6420
NSN 5999-00-807-8104
NSN 2925-00-035-5633
NSN 4140-00-999-8100
NSN 5996-01-301-7152
NSN 5985-01-502-9010
NSN 5920-01-483-1981
NSN 5999-00-722-7720