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 5998-00-144-8211
NSN 5998-00-313-9516
NSN 7035-01-162-7452
NSN 5960-01-602-6009
NSN 6620-01-343-4920
NSN 5925-01-259-2418
NSN 6105-00-265-7545
NSN 5999-01-242-5049
NSN 5925-00-083-8486
NSN 4140-01-507-0471
NSN 6145-01-092-2183
NSN 5965-01-512-1985