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 5950-00-286-3301
NSN 5835-01-457-7951
NSN 5950-01-647-3603
NSN 5965-01-596-2944
NSN 2925-01-197-7864
NSN 5930-01-324-8508
NSN 6610-00-840-6187
NSN 5975-01-223-0003
NSN 6620-00-278-7313
NSN 2925-01-027-1293
NSN 6645-00-780-5260
NSN 5935-00-926-3099