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 6645-01-133-4440
NSN 5950-01-376-1670
NSN 5950-01-541-1937
NSN 5835-01-218-5560
NSN 5950-00-035-8791
NSN 5960-01-347-6791
NSN 5985-01-614-7441
NSN 6610-00-497-9925
NSN 6620-01-314-8990
NSN 6130-00-479-5324
NSN 7035-00-631-3782
NSN 5999-01-357-1771