Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RRA-4409A found under Antenna Kit by State Health Services Texas. The National Stock Number assigned to this part is 5985005478642, 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 RRA-4409A.