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 5998-01-101-7221
NSN 5895-01-432-0306
NSN 6220-00-329-3497
NSN 5935-00-110-3718
NSN 6145-01-069-4706
NSN 6130-00-052-7621
NSN 4140-01-400-3610
NSN 5945-01-012-2448
NSN 6220-00-163-1183
NSN 5975-01-080-4914
NSN 6240-01-443-9414
NSN 6240-00-290-4185