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 5930-00-143-8939
NSN 5855-00-455-6070
NSN 4140-01-450-0427
NSN 4140-01-578-1559
NSN 6145-00-560-3484
NSN 6620-01-569-3313
NSN 7035-00-981-7216
NSN 5855-01-020-7982
NSN 5895-01-508-5966
NSN 6240-01-249-2284
NSN 5895-01-069-4592
NSN 7035-01-008-7248