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.
NSN 5910-01-128-3765
NSN 6650-00-330-0108
NSN 6105-01-130-5901
NSN 5910-01-439-7289
NSN 6240-01-500-1714
NSN 6130-00-011-0363
NSN 5960-00-226-5723
NSN 5985-01-109-4201
NSN 5835-01-482-1591
NSN 6105-00-635-9809
NSN 5996-00-070-4315
NSN 6145-01-251-4757