Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L12 MA112 found under Filter Low Pass by Spectrum Microwave Inc Div Spec. The National Stock Number assigned to this part is 5915012513500, 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 L12 MA112.