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 5895-01-071-1979
NSN 6610-00-076-2941
NSN 5990-00-147-3144
NSN 5920-00-527-9473
NSN 7035-01-573-8064
NSN 6135-00-505-0679
NSN 5999-01-450-4625
NSN 5895-01-515-7257
NSN 5905-01-334-9650
NSN 5915-01-469-3400
NSN 5855-01-455-4910
NSN 5945-00-850-5174