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 5930-01-184-9811
NSN 6650-01-361-0723
NSN 5920-01-325-9712
NSN 5935-01-660-1351
NSN 5990-01-091-9595
NSN 6135-01-429-9029
NSN 6145-00-398-4405
NSN 6645-00-390-7657
NSN 4140-00-839-3093
NSN 5990-01-254-3197
NSN 5950-01-500-8009
NSN 6105-01-577-5310