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 6685-00-175-3008
NSN 5998-00-087-6847
NSN 5905-00-831-8540
NSN 5910-01-489-0966
NSN 6130-01-299-2707
NSN 5975-01-381-0935
NSN 5930-01-085-0065
NSN 5855-00-179-8588
NSN 6610-00-701-2600
NSN 5935-01-573-7519
NSN 6650-01-605-2302
NSN 5915-01-370-5971