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 5998-01-273-1985
NSN 5905-01-630-3085
NSN 5996-00-343-4411
NSN 5999-01-063-7216
NSN 6645-01-591-3970
NSN 5835-00-969-1920
NSN 7035-00-803-3056
NSN 5996-01-044-6958
NSN 5950-01-646-3124
NSN 5985-01-510-9962
NSN 5965-01-444-3098
NSN 6130-00-327-8967