Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 317621A found under Semiconductor Device Diode by Qes Ltd Quality Electronic. The National Stock Number assigned to this part is 5961001652903, 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 317621A.