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 5915-01-429-8743
NSN 5998-00-309-0850
NSN 5999-00-043-3366
NSN 5910-01-557-1325
NSN 6220-01-408-1747
NSN 6145-01-421-2458
NSN 5930-01-155-0716
NSN 5895-01-311-9172
NSN 4140-01-152-9161
NSN 5975-01-234-8351
NSN 6620-00-378-3070
NSN 5960-00-730-7813