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 5920-01-071-7712
NSN 6620-00-148-9613
NSN 6620-00-221-6639
NSN 5835-01-495-0595
NSN 5975-01-092-4234
NSN 6645-01-473-3752
NSN 6620-00-500-0041
NSN 6145-00-917-6560
NSN 6645-01-449-1824
NSN 6110-01-504-7209
NSN 5930-01-538-8231
NSN 5985-01-279-4437