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 5930-01-055-7488
NSN 6685-00-252-6656
NSN 5950-00-136-1885
NSN 4140-01-653-3418
NSN 5996-01-400-3558
NSN 5990-00-543-0234
NSN 5855-00-256-5562
NSN 2925-01-633-4048
NSN 6240-01-102-1555
NSN 5960-00-239-3054
NSN 5920-00-949-3468
NSN 5999-00-716-9426