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 5950-01-318-2421
NSN 5925-00-336-1992
NSN 5960-01-449-1310
NSN 5895-01-337-0208
NSN 6105-00-205-0655
NSN 5996-01-145-6557
NSN 5930-01-400-6126
NSN 6130-00-679-1873
NSN 5895-00-488-6248
NSN 2925-01-191-5814
NSN 5999-01-537-0948
NSN 5985-00-768-4368