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 6610-01-633-8931
NSN 5930-00-176-4065
NSN 6645-01-135-8413
NSN 6610-01-003-9763
NSN 6650-01-364-1313
NSN 6135-00-078-9931
NSN 5935-01-176-3294
NSN 5855-00-221-9435
NSN 5990-00-285-1948
NSN 5895-00-913-9767
NSN 5998-00-277-4307
NSN 6110-01-458-4924