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 5930-00-917-3007
NSN 2925-00-964-7128
NSN 5985-01-467-6356
NSN 6320-01-111-8851
NSN 6645-01-651-9562
NSN 6150-01-374-0795
NSN 6110-00-187-4537
NSN 5905-01-378-0043
NSN 5985-01-550-2414
NSN 6650-01-577-1304
NSN 5930-00-467-9188
NSN 6110-00-578-7243