Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RME-U-0139 found under Dummy Load Electric by Rme Filters Inc. The National Stock Number assigned to this part is 5985012229225, 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 RME-U-0139.