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 6610-01-182-1182
NSN 6135-01-416-3181
NSN 5905-01-607-7902
NSN 6130-00-959-5800
NSN 5910-01-437-2311
NSN 5930-00-623-6441
NSN 2925-00-346-6968
NSN 6220-01-469-6213
NSN 5950-01-413-2437
NSN 2925-00-194-7407
NSN 6150-01-281-5382
NSN 6650-01-051-2021