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 5835-00-725-2087
NSN 5835-01-392-7683
NSN 6220-00-977-7470
NSN 5975-01-560-6928
NSN 4140-01-577-8921
NSN 5945-01-307-3574
NSN 6645-01-144-2161
NSN 6130-01-203-0000
NSN 5999-00-107-2615
NSN 2925-00-233-5644
NSN 5925-00-932-3027
NSN 5985-01-164-0550