Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 400 00049 00 found under Transistor by Rycom Instruments. The National Stock Number assigned to this part is 5961001629773, 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 400 00049 00.