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
NSN 5999-01-358-1197
NSN 5990-01-364-8405
NSN 6105-01-265-1782
NSN 5950-01-384-3671
NSN 5895-01-036-3352
NSN 6130-01-606-5547
NSN 5975-01-188-7901
NSN 7035-01-429-0431
NSN 5895-01-595-9684
NSN 6145-00-781-2314
NSN 5915-01-633-9845