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 5998-00-402-8901
NSN 5835-01-504-0837
NSN 5960-00-099-9790
NSN 5935-00-236-1096
NSN 5895-01-031-3665
NSN 5920-01-123-9854
NSN 5975-01-089-8641
NSN 5945-01-515-4334
NSN 6220-01-341-8240
NSN 7035-01-506-8018
NSN 5950-01-065-0788
NSN 6150-01-254-2903