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 5930-01-350-3705
NSN 6105-01-047-7566
NSN 6610-01-554-8225
NSN 5920-01-419-5271
NSN 5975-01-423-8280
NSN 5905-01-475-7160
NSN 6130-01-414-7084
NSN 6320-00-186-6452
NSN 5910-01-268-4486
NSN 2925-00-953-2920
NSN 6685-01-147-5617
NSN 6150-00-144-1608