Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C-5-3-26-4-1-2 found under by U S Dept Of Veterans Affairs. The National Stock Number assigned to this part is 6515013472455, 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 C-5-3-26-4-1-2.