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 4140-01-396-7521
NSN 5965-01-553-6689
NSN 5996-01-287-8311
NSN 5855-01-542-9059
NSN 2925-01-239-6044
NSN 6320-01-134-7267
NSN 5999-01-358-6531
NSN 5998-01-447-6474
NSN 6650-01-267-6522
NSN 5950-01-364-3112
NSN 6135-01-089-4888
NSN 2925-00-338-4667