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 5855-01-149-4110
NSN 5930-00-962-7514
NSN 5965-00-215-5866
NSN 6145-01-236-9894
NSN 5965-00-452-0967
NSN 5965-01-048-4767
NSN 5985-00-785-0501
NSN 5965-00-563-1882
NSN 6105-00-677-4462
NSN 5835-01-282-3321
NSN 5975-01-448-9738
NSN 5920-00-010-6652