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 5855-01-145-8973
NSN 6685-01-419-4562
NSN 5975-01-485-0192
NSN 6220-01-180-3703
NSN 5910-01-394-5357
NSN 5945-01-502-0015
NSN 6240-01-438-9580
NSN 5925-00-318-3023
NSN 5835-01-480-9215
NSN 5855-00-004-0904
NSN 5835-00-025-9951
NSN 6220-00-113-8617