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 6240-00-019-5835
NSN 5965-00-789-1654
NSN 5975-00-582-1460
NSN 6320-00-731-6134
NSN 6650-01-399-8552
NSN 7035-01-006-0895
NSN 5990-01-588-3999
NSN 5945-01-014-0624
NSN 5935-01-415-0887
NSN 6130-01-610-8964
NSN 5910-00-965-7811
NSN 6645-00-616-1289