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 6645-01-576-2691
NSN 5915-01-528-6426
NSN 5960-01-046-5953
NSN 5905-01-364-8594
NSN 5998-01-591-8326
NSN 6220-01-464-3618
NSN 7035-00-908-4933
NSN 5945-01-499-4897
NSN 5915-01-357-8484
NSN 5895-00-269-8280
NSN 6105-00-821-0030
NSN 5835-01-123-8305