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 5920-01-422-3207
NSN 6135-01-305-6958
NSN 6110-01-633-9660
NSN 5920-00-185-9587
NSN 5996-01-316-4275
NSN 6685-01-244-1522
NSN 6105-01-023-2773
NSN 6135-01-347-0201
NSN 5975-01-129-5739
NSN 5950-00-963-1288
NSN 6110-01-007-6028
NSN 5965-01-482-4352