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 4140-01-252-4392
NSN 6610-01-414-7481
NSN 5990-01-395-4194
NSN 5975-00-458-0098
NSN 5905-01-533-2023
NSN 5835-01-192-4165
NSN 5910-00-877-8423
NSN 5915-00-065-3253
NSN 6110-00-929-1217
NSN 5930-01-109-9331
NSN 7035-00-135-4758
NSN 5905-00-227-0117