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 6135-01-167-0759
NSN 5965-00-289-6280
NSN 6135-00-866-2311
NSN 5998-00-056-2829
NSN 5999-00-901-0714
NSN 5855-01-042-7990
NSN 5999-01-449-2497
NSN 6620-00-820-9616
NSN 6135-01-524-7621
NSN 6610-01-599-3870
NSN 6105-01-506-5260
NSN 6685-00-487-9944