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 5945-01-535-0951
NSN 5975-01-442-5191
NSN 5960-01-129-4203
NSN 5996-00-851-2604
NSN 5930-00-353-2105
NSN 6130-01-157-9307
NSN 6320-01-611-4918
NSN 5998-01-080-5949
NSN 5996-01-269-8010
NSN 5905-01-162-0010
NSN 6110-01-392-3743
NSN 6150-01-543-3585