Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 580C305 found under Filter Low Pass by Oai Electronicsllc. The National Stock Number assigned to this part is 5915006651941, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 580C305.