Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 49-502-2 found under Pilot by Usatco. The National Stock Number assigned to this part is 5130016088837, and the Federal Supply Class is 5130 Hand Tools Power Driven. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 49-502-2.