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 6650-00-252-6271
NSN 5960-01-599-9821
NSN 6650-01-364-8504
NSN 5990-00-932-3070
NSN 5990-00-240-3135
NSN 6135-01-327-2092
NSN 5925-01-218-1679
NSN 5975-01-495-9691
NSN 5965-00-042-5433
NSN 5998-00-075-5725
NSN 5950-00-221-0848
NSN 6620-01-010-0518