Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 580652-003 found under Valve Vacuum Breaking by Pacific Consolidated Industries. The National Stock Number assigned to this part is 4820013669979, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 580652-003.