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 5965-01-013-0290
NSN 6320-01-029-4220
NSN 5996-01-509-9159
NSN 4140-01-231-5031
NSN 4140-00-921-0877
NSN 5950-00-022-4848
NSN 4140-00-554-8570
NSN 6645-01-435-6373
NSN 6135-01-495-0933
NSN 5935-00-349-8858
NSN 5925-01-528-6427
NSN 5835-00-484-1529