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 5935-01-409-2947
NSN 5935-01-522-8412
NSN 4140-01-500-9197
NSN 6240-01-009-4665
NSN 6130-01-302-5463
NSN 5998-01-492-5163
NSN 5965-00-170-5254
NSN 5915-00-083-7184
NSN 6240-01-512-8129
NSN 6135-01-124-2376
NSN 5950-01-004-0441
NSN 6145-00-688-5697