Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CN-315 URM-26B found under Attenuator Fixed by Joint Electronics Type Designation. The National Stock Number assigned to this part is 5985005187252, 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 CN-315 URM-26B.