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 5999-01-169-6052
NSN 6240-01-412-0715
NSN 6320-01-618-3835
NSN 5920-00-116-4959
NSN 5905-01-588-4053
NSN 6105-00-703-6619
NSN 5945-01-278-4959
NSN 5920-00-189-0858
NSN 5925-01-330-2362
NSN 6110-01-361-7478
NSN 6130-01-052-9572
NSN 5925-00-007-3962