Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50B10BNC found under by Photoplastic Intl. The National Stock Number assigned to this part is 5985012881781, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 50B10BNC.