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 5945-00-246-5740
NSN 5996-01-416-1489
NSN 6220-00-334-7008
NSN 5935-01-582-6844
NSN 5905-01-115-9368
NSN 5998-01-502-5757
NSN 6620-00-877-3266
NSN 6645-00-936-9111
NSN 6145-01-458-0972
NSN 6650-01-099-1422
NSN 5910-01-623-3740
NSN 6320-01-244-9268