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 6220-00-495-5116
NSN 5930-00-862-7468
NSN 5895-01-380-1790
NSN 5910-01-233-9776
NSN 6135-01-413-4747
NSN 6650-01-444-6364
NSN 5965-01-073-1014
NSN 6645-01-592-2557
NSN 5985-00-865-0247
NSN 5950-01-556-3064
NSN 6135-01-398-5922
NSN 5930-00-114-5335