Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PDU-20-250 found under Divider Power Radio by Merrimac Industries Inc. The National Stock Number assigned to this part is 5985013099268, 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 PDU-20-250.