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 5975-01-437-3431
NSN 5950-01-304-9852
NSN 6240-01-564-9542
NSN 4140-00-270-8075
NSN 5855-00-903-4305
NSN 6650-00-276-9838
NSN 6650-01-479-5386
NSN 6685-00-114-1826
NSN 5925-00-533-1547
NSN 6105-00-079-0863
NSN 5999-01-129-6461
NSN 5950-01-422-4879