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 5990-01-458-6789
NSN 6130-01-227-1322
NSN 6240-01-267-5490
NSN 5905-01-123-8993
NSN 6650-01-436-8558
NSN 4140-01-498-2651
NSN 6220-01-286-6720
NSN 5965-01-296-8991
NSN 5915-00-185-5355
NSN 6220-01-598-2614
NSN 7035-01-399-5354
NSN 6220-01-561-3046