Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R473902-01 found under Parts Kit Fiber Opt by Raytheon Company. The National Stock Number assigned to this part is 6080015473229, and the Federal Supply Class is 6080 Fiber Optic Kits And Sets. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R473902-01.