Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LAD52B1 found under Filter Band Pass by Microlab Fxr. The National Stock Number assigned to this part is 5915009511819, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LAD52B1.