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 6620-01-074-2882
NSN 6105-01-624-0679
NSN 6685-01-314-7140
NSN 5905-01-432-0136
NSN 5999-01-622-9647
NSN 6320-01-202-8761
NSN 6240-01-501-4551
NSN 6240-01-593-4728
NSN 6130-01-553-4627
NSN 5935-01-082-0072
NSN 6620-01-438-0415
NSN 5895-00-224-6955