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 5855-00-151-3853
NSN 6240-01-263-0123
NSN 6135-01-014-9755
NSN 6320-00-284-1524
NSN 5915-01-371-9729
NSN 6135-01-366-7477
NSN 5855-00-403-1031
NSN 5945-01-357-6624
NSN 2925-01-144-0352
NSN 5975-00-414-7143
NSN 6240-01-253-0687
NSN 4140-00-060-8693