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
NSN 5935-00-801-9490
NSN 4140-00-733-7936
NSN 6610-01-144-8401
NSN 6620-01-063-6289
NSN 5915-01-308-5414
NSN 5905-01-390-5694
NSN 5985-01-108-9236
NSN 5975-00-361-7793
NSN 5915-01-245-6142
NSN 2925-00-112-9175
NSN 6135-01-559-9637