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 4140-01-348-6583
NSN 5975-01-495-0813
NSN 6645-00-947-0625
NSN 5965-01-256-0059
NSN 5975-01-353-0829
NSN 7035-01-063-8753
NSN 6110-00-175-3661
NSN 5975-00-822-2889
NSN 5935-00-227-1110
NSN 6610-01-446-5975
NSN 6610-01-010-3159
NSN 6220-01-224-8746