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 5930-01-508-7962
NSN 5925-01-108-8156
NSN 6150-01-252-6621
NSN 6130-00-075-2202
NSN 6105-01-417-2174
NSN 5910-00-010-7666
NSN 5990-00-532-2336
NSN 5999-01-029-2078
NSN 5999-01-605-4053
NSN 5975-01-518-9932
NSN 6320-01-157-9076
NSN 6685-01-050-2201