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 5935-01-017-1842
NSN 5998-00-291-0687
NSN 5895-01-360-9929
NSN 6620-01-315-2414
NSN 5960-01-495-0859
NSN 5835-00-589-6300
NSN 6135-00-276-7625
NSN 5965-01-519-8758
NSN 4140-00-868-6824
NSN 6610-01-391-6781
NSN 6650-00-506-0054
NSN 5945-00-216-8755