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 6645-01-014-9205
NSN 4140-01-589-2215
NSN 5985-01-139-4667
NSN 5895-01-384-4645
NSN 5925-01-214-6494
NSN 5920-00-269-6178
NSN 6320-01-229-2264
NSN 5985-01-192-3264
NSN 5999-01-029-3025
NSN 5925-01-496-3953
NSN 5960-01-495-0859
NSN 6135-01-645-4653