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 6240-01-180-3720
NSN 5996-01-241-5255
NSN 6610-00-269-4506
NSN 5999-00-137-1507
NSN 6220-01-634-0660
NSN 6645-01-295-8977
NSN 5965-01-150-1920
NSN 6240-01-245-6968
NSN 5950-01-088-8333
NSN 5950-01-253-4091
NSN 6130-01-239-8106
NSN 2925-01-629-9416