Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 75439-1330 found under Line Section Radio by Burke Products Inc. The National Stock Number assigned to this part is 5985013146536, 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 75439-1330.