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 5910-01-589-8543
NSN 7035-01-227-7492
NSN 5915-00-242-9819
NSN 6130-00-083-2016
NSN 2925-01-587-3956
NSN 6240-00-845-0355
NSN 5910-01-519-8236
NSN 6645-01-540-6582
NSN 5930-01-242-7140
NSN 6240-00-824-4678
NSN 5999-01-168-7587
NSN 5965-01-105-7901