Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17-03646 found under Retainer Electrical Switch by Peterbilt Motors Co. The National Stock Number assigned to this part is 5930015293816, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 17-03646.