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 5975-01-320-2760
NSN 5945-00-624-2925
NSN 5835-01-141-4707
NSN 5905-01-152-0578
NSN 6685-01-432-0265
NSN 5895-00-019-2548
NSN 6105-01-254-3626
NSN 5985-01-164-8390
NSN 5895-01-448-4326
NSN 6145-01-649-0650
NSN 5998-00-516-8964
NSN 6220-00-401-4648