Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 601-0604 found under Screw Machine by Ddc Pertec Peripherals Corp. The National Stock Number assigned to this part is 5305012622064, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 601-0604.