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 5985-01-600-0202
NSN 5905-00-409-0241
NSN 6620-01-083-4672
NSN 5960-01-522-0391
NSN 6145-00-115-6355
NSN 6240-00-224-5323
NSN 6110-00-912-4043
NSN 5998-00-505-1884
NSN 5855-00-014-5008
NSN 5965-01-340-3723
NSN 6145-01-559-2050
NSN 6320-01-170-4068