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 4140-01-361-5224
NSN 5835-00-063-0390
NSN 6240-01-110-6164
NSN 5950-01-468-5431
NSN 2925-00-370-1238
NSN 5965-00-215-5866
NSN 5950-01-359-3027
NSN 6320-01-554-0901
NSN 5930-01-482-4639
NSN 5945-00-482-3505
NSN 7035-01-150-6303
NSN 5855-01-340-3447