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 6645-00-938-2173
NSN 6220-01-206-9023
NSN 6650-00-888-7956
NSN 5945-00-816-9717
NSN 6240-01-351-6729
NSN 6220-00-556-2396
NSN 6145-00-787-7313
NSN 5965-01-462-6801
NSN 6320-01-323-1947
NSN 5960-01-570-8605
NSN 6220-00-242-1492
NSN 5895-00-633-7623