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 5910-01-495-0619
NSN 6320-01-428-9205
NSN 5910-01-451-4905
NSN 6220-01-435-4225
NSN 5915-00-791-3955
NSN 5985-00-770-8089
NSN 6220-01-214-3100
NSN 6620-01-375-2712
NSN 6620-01-313-3755
NSN 2925-01-577-0004
NSN 5996-00-900-4001
NSN 5996-00-525-1777