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 6645-01-089-6459
NSN 5945-01-634-0588
NSN 5935-00-515-3675
NSN 6650-00-230-4575
NSN 5998-01-113-7644
NSN 4140-00-539-4814
NSN 5855-00-797-8217
NSN 5965-01-518-5452
NSN 6135-01-580-5726
NSN 6105-01-445-4574
NSN 2925-01-197-7864
NSN 6620-01-510-3501