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 6240-01-457-0926
NSN 5925-01-629-3648
NSN 5985-01-494-5622
NSN 5895-01-419-8657
NSN 6220-00-147-7064
NSN 6110-01-129-1409
NSN 4140-01-202-7853
NSN 6105-00-246-5311
NSN 5950-01-005-8863
NSN 5965-01-501-5638
NSN 5945-01-248-0803
NSN 6220-01-087-4903