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 5905-01-465-6493
NSN 4140-01-462-2487
NSN 6150-01-365-2197
NSN 5920-00-420-8897
NSN 6620-01-607-5738
NSN 5855-01-342-3824
NSN 2925-00-101-7972
NSN 5935-00-877-9447
NSN 6110-01-004-9870
NSN 5998-00-343-7435
NSN 6220-01-450-2228
NSN 6110-01-472-1963