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 5925-01-523-9056
NSN 6220-01-437-7667
NSN 6320-00-160-0899
NSN 6145-01-108-9494
NSN 6320-01-569-2672
NSN 6110-01-334-9536
NSN 5990-01-310-5630
NSN 5905-00-015-0135
NSN 5996-01-186-4179
NSN 5999-00-504-9460
NSN 5895-01-327-7538
NSN 5990-00-621-7457