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 5930-00-399-3237
NSN 5990-01-132-4156
NSN 2925-01-376-9236
NSN 5985-01-548-4061
NSN 7035-01-516-4411
NSN 5915-00-394-5831
NSN 5990-00-254-4825
NSN 5960-00-153-7115
NSN 6105-01-168-8335
NSN 6130-01-472-2483
NSN 5920-01-605-1388
NSN 5999-01-186-5334