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 5990-01-128-6140
NSN 5960-00-511-1418
NSN 6135-01-495-0933
NSN 4140-01-010-2592
NSN 5965-01-074-3083
NSN 6130-00-438-6758
NSN 6685-01-486-9736
NSN 5985-01-621-8725
NSN 5905-01-370-3964
NSN 6110-00-384-1704
NSN 5930-01-626-7749
NSN 5945-00-704-9129