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 5999-01-254-2763
NSN 5930-01-554-0034
NSN 5925-01-519-9251
NSN 5985-01-410-7450
NSN 7035-00-497-8784
NSN 5905-00-065-4767
NSN 5950-01-386-7182
NSN 5855-01-323-5394
NSN 5965-01-519-1929
NSN 4140-00-203-3870
NSN 5920-01-252-8660
NSN 5965-01-107-8549