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 5910-00-454-2808
NSN 6610-01-503-5656
NSN 5960-00-170-6447
NSN 5998-00-243-5416
NSN 5935-00-131-2214
NSN 6320-01-322-8340
NSN 5990-00-177-2924
NSN 6685-00-900-5428
NSN 5985-01-056-5179
NSN 5960-01-422-3269
NSN 5960-01-511-4423
NSN 5998-01-403-2586