Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BL20081ISSUE5 found under Clamp Waveguide Spe by Lucent Technologies Inc. The National Stock Number assigned to this part is 6240003229928, and the Federal Supply Class is 6240 Electric Lamps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BL20081ISSUE5.