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 5915-01-620-8797
NSN 5855-01-462-5150
NSN 6320-01-283-1300
NSN 6685-01-390-2139
NSN 6135-01-180-9611
NSN 5835-01-121-2098
NSN 6130-01-455-4530
NSN 5996-00-196-1406
NSN 5999-01-135-1700
NSN 5910-00-584-6484
NSN 5965-01-619-0267
NSN 6110-01-245-8507