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 5855-01-577-0892
NSN 2925-01-488-5140
NSN 7035-00-411-8850
NSN 5910-01-499-4766
NSN 5920-01-314-6341
NSN 6135-01-421-3189
NSN 5855-01-324-3756
NSN 5999-01-660-3003
NSN 5985-01-096-8181
NSN 6135-01-558-7257
NSN 4140-00-626-1277
NSN 5915-01-172-7523