Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JAN1N4963 found under Semiconductor Device Diode by Bkc Semiconductors Inc. The National Stock Number assigned to this part is 5961001666739, 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 JAN1N4963.