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 5990-01-364-1942
NSN 5975-01-577-2387
NSN 5910-01-661-2091
NSN 5920-01-611-1962
NSN 5999-01-361-8725
NSN 5975-01-303-6772
NSN 5990-01-652-7373
NSN 6220-00-172-3737
NSN 2925-01-206-7948
NSN 5960-00-262-7186
NSN 5895-00-291-4873
NSN 6320-00-809-5744