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 6135-01-056-4609
NSN 7035-00-946-2642
NSN 6610-00-239-4931
NSN 6610-01-306-8530
NSN 2925-01-112-8782
NSN 5960-01-044-4902
NSN 5895-01-317-0382
NSN 6685-01-475-4188
NSN 5998-01-538-6806
NSN 5920-01-369-7665
NSN 5950-01-579-9960
NSN 5965-01-631-4090