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 5920-01-554-9804
NSN 4140-01-464-4902
NSN 6130-01-572-8960
NSN 5915-01-063-5908
NSN 6620-01-308-0860
NSN 5950-01-389-7359
NSN 6320-01-103-6218
NSN 5950-00-312-5369
NSN 6135-01-171-9299
NSN 6610-00-960-5711
NSN 6645-01-537-6098
NSN 6130-00-498-5078