Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74441 found under Isolator Radio Frequency Reflect by Johns Hopkins University Applied. The National Stock Number assigned to this part is 5985003010191, 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 74441.