Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NSR8140S found under Rectifier Semicondu by Power One Dc Power Supplies. The National Stock Number assigned to this part is 5961011391366, 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 NSR8140S.