Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42590-0000-0053 found under Semiconductor Devic by Thales Uk Ltd. The National Stock Number assigned to this part is 5961013219341, 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 42590-0000-0053.