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 5975-01-394-5954
NSN 5996-00-845-6791
NSN 6685-01-352-5665
NSN 5950-01-290-3829
NSN 6150-00-244-2258
NSN 5915-01-222-8698
NSN 5998-00-189-7976
NSN 5950-01-634-0677
NSN 7035-01-240-4998
NSN 5985-01-381-8324
NSN 6620-01-266-1000
NSN 5930-01-557-5785