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 4140-00-987-2925
NSN 6645-01-016-0372
NSN 5965-01-486-9586
NSN 6620-01-147-8439
NSN 6320-00-089-9426
NSN 6135-01-514-0356
NSN 6220-01-245-0098
NSN 5985-01-480-5828
NSN 5950-01-361-9862
NSN 5998-01-235-2639
NSN 5960-01-500-6615
NSN 7035-00-007-7023