Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ADSP1866 found under Seal Oil Engine Fan by John Crane Inc. The National Stock Number assigned to this part is 2930007376044, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ADSP1866.