Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 501390-011 found under Filter Band Suppression by Rugged Information Technology Eq. The National Stock Number assigned to this part is 5915013552395, 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 501390-011.