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 5905-01-528-6008
NSN 5990-00-277-3763
NSN 5835-01-120-5079
NSN 6220-01-449-5814
NSN 5999-00-139-1729
NSN 6220-00-951-0878
NSN 6620-01-061-0599
NSN 2925-01-461-4347
NSN 6220-00-701-0677
NSN 5855-01-327-6678
NSN 6320-00-164-4087
NSN 5925-01-461-6757