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 5925-01-354-2519
NSN 6220-00-132-6854
NSN 5905-01-291-5491
NSN 5905-01-210-8292
NSN 6240-01-562-2185
NSN 6610-00-946-6146
NSN 6105-00-895-6665
NSN 6650-01-259-3008
NSN 5999-01-440-5830
NSN 6620-01-517-0014
NSN 5915-01-380-9759
NSN 5905-01-310-9230