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 5930-00-044-5511
NSN 5990-01-493-4039
NSN 2925-01-064-3729
NSN 5895-01-546-3817
NSN 5925-01-334-6357
NSN 5975-01-378-8059
NSN 6105-00-894-6798
NSN 6610-01-425-6960
NSN 5930-00-925-8246
NSN 5950-01-354-5246
NSN 5960-01-443-3067
NSN 6130-00-405-0402