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 5975-00-221-2555
NSN 6145-01-548-8099
NSN 5925-00-788-0368
NSN 5960-00-140-9583
NSN 5895-01-278-6761
NSN 5950-01-129-0094
NSN 6105-01-207-8332
NSN 6320-00-242-3300
NSN 6220-00-197-3102
NSN 5945-00-242-1488
NSN 5950-00-715-1048
NSN 7035-01-505-5979