Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4135-5023G1REVC found under Test Panel by Raytheon Service Co Logistics Su. The National Stock Number assigned to this part is 4931009532619, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4135-5023G1REVC.