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 6645-01-549-0935
NSN 5925-01-370-4417
NSN 6150-01-548-8554
NSN 5975-00-862-4506
NSN 5998-00-695-4920
NSN 4140-01-225-9539
NSN 5835-01-493-1826
NSN 4140-01-172-8368
NSN 2925-01-444-2061
NSN 5975-01-359-3311
NSN 6320-00-360-1744
NSN 6220-01-607-0130