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 6110-01-008-1856
NSN 5999-01-234-3523
NSN 6240-01-170-3491
NSN 5975-01-532-1067
NSN 6685-00-863-1876
NSN 5998-00-614-9202
NSN 6130-00-643-4894
NSN 5835-01-186-4961
NSN 6240-01-358-0064
NSN 6145-01-303-8369
NSN 5975-01-626-1631
NSN 5960-00-116-5711