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 5975-01-063-8749
NSN 5998-01-394-3225
NSN 4140-01-043-5089
NSN 6610-01-287-9814
NSN 5965-01-208-6903
NSN 6220-01-393-5111
NSN 5855-01-418-6303
NSN 5945-00-937-7896
NSN 5990-01-411-8548
NSN 6320-00-513-8376
NSN 5910-00-125-9290
NSN 6320-01-493-4472