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 5925-01-321-2451
NSN 5915-01-347-4372
NSN 5905-00-543-1096
NSN 5950-00-740-3893
NSN 5920-01-411-5512
NSN 5910-01-066-8353
NSN 5915-01-633-9845
NSN 5960-01-416-6187
NSN 6650-00-885-3775
NSN 6105-01-293-5708
NSN 5910-01-618-0386
NSN 5960-00-989-4873