Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 303 0003 000 found under Coupler Transmissio by Rtp Corp. The National Stock Number assigned to this part is 5985012614866, 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 303 0003 000.