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 6145-00-786-1172
NSN 5999-00-549-9287
NSN 6685-00-578-5951
NSN 4140-01-147-2164
NSN 5920-01-229-0181
NSN 6320-00-343-1798
NSN 5985-00-608-5518
NSN 6105-01-438-0556
NSN 6150-01-354-3946
NSN 6320-01-630-7629
NSN 6135-01-643-9081
NSN 2925-01-607-7754