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 5990-01-004-6343
NSN 5985-01-010-1758
NSN 5855-01-210-7636
NSN 6620-01-452-8418
NSN 5930-01-502-9135
NSN 6685-01-070-3496
NSN 5920-00-606-1242
NSN 6150-01-634-0575
NSN 5998-00-169-9694
NSN 5915-01-268-8037
NSN 5855-01-023-3727
NSN 5965-00-347-0231