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 5915-01-100-6006
NSN 5915-01-498-4940
NSN 5965-00-920-0455
NSN 6220-01-102-8110
NSN 5945-00-100-5901
NSN 5975-00-072-6075
NSN 5998-00-062-0024
NSN 6320-00-082-5868
NSN 5925-00-209-0435
NSN 5975-00-935-5946
NSN 6650-00-754-2276
NSN 5975-00-943-9939