Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UZ9291 found under Semiconductor Devic by Micro Uspd Inc. The National Stock Number assigned to this part is 5961003029428, 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 UZ9291.