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 5905-01-658-9551
NSN 6650-01-333-3646
NSN 6105-01-579-3695
NSN 6135-00-235-1938
NSN 5960-00-539-7914
NSN 5945-01-467-4724
NSN 6130-01-575-6991
NSN 6220-01-573-8784
NSN 4140-01-240-8667
NSN 5935-00-498-4734
NSN 6145-01-147-1337
NSN 5945-01-321-6143