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 6220-00-111-3604
NSN 5985-00-187-7815
NSN 5950-00-712-6167
NSN 5930-01-620-7206
NSN 6105-01-628-4639
NSN 6320-01-582-6668
NSN 5930-01-349-0119
NSN 6135-00-613-1068
NSN 5960-01-035-1260
NSN 6220-00-145-1423
NSN 6110-00-807-2501
NSN 6145-00-260-7737