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 5996-00-661-1151
NSN 5945-01-039-0397
NSN 2925-00-099-4030
NSN 5960-00-451-5070
NSN 2925-01-487-0886
NSN 5855-01-464-3152
NSN 4140-01-302-2638
NSN 5915-01-357-7418
NSN 6220-01-418-1649
NSN 7035-01-067-8991
NSN 6645-01-149-9176
NSN 7035-01-381-7622