Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CER-993-T2-311R7D found under by Copperweld Steel Co. The National Stock Number assigned to this part is 5905010517705, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CER-993-T2-311R7D.