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 5915-01-426-5557
NSN 6150-01-400-4211
NSN 6220-00-451-8760
NSN 5835-01-104-5707
NSN 6685-00-982-2843
NSN 6135-01-479-9790
NSN 5990-01-168-3257
NSN 5975-00-333-9866
NSN 5965-01-005-6617
NSN 4140-00-671-1121
NSN 6150-00-377-8616
NSN 5835-00-025-9951