Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 513-4501 found under Clamp Synchro by Vishay Thin Film Llc. The National Stock Number assigned to this part is 5340000264412, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 513-4501.