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 5990-00-382-5885
NSN 6220-00-171-8638
NSN 6145-01-104-5084
NSN 5998-00-598-3744
NSN 4140-00-277-6285
NSN 6130-01-463-3517
NSN 5975-00-789-6209
NSN 6240-01-256-5532
NSN 6620-01-548-5082
NSN 5998-00-407-2443
NSN 6110-01-310-2474
NSN 6135-00-754-8191