Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AT518-J found under Drilling And Locating Fixture Ri by Snap On Incorporated. The National Stock Number assigned to this part is 3465010251562, and the Federal Supply Class is 3465 Production Jigs Fixtures And Template. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AT518-J.