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 6220-01-478-4006
NSN 6150-01-041-9373
NSN 5998-01-493-6065
NSN 6145-01-111-3626
NSN 6610-01-032-5335
NSN 5965-00-836-2690
NSN 6620-01-451-3742
NSN 5915-01-199-7176
NSN 5920-00-992-1820
NSN 7035-00-585-2113
NSN 6145-00-209-5657
NSN 6105-01-611-1220