Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1854-0022 found under Transistor by Figgie International Inc. The National Stock Number assigned to this part is 5961009170660, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1854-0022.