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 4140-01-158-1401
NSN 6150-01-526-5397
NSN 5950-00-272-2557
NSN 4140-01-097-0983
NSN 5965-01-362-5362
NSN 5835-01-571-4083
NSN 6110-01-027-1172
NSN 5985-01-535-4865
NSN 5910-01-395-6409
NSN 5905-01-468-9625
NSN 6685-01-245-3774
NSN 6135-01-398-5922