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 6150-00-615-8737
NSN 6650-01-533-7109
NSN 6105-01-653-0968
NSN 6645-01-400-2119
NSN 5945-00-530-4913
NSN 5990-00-229-4647
NSN 5910-00-079-0375
NSN 5975-00-288-5877
NSN 5835-01-576-9013
NSN 6105-00-881-3080
NSN 5975-01-401-5355
NSN 6650-00-610-3956