Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LOP-CA-121 FN NO 12 found under Filter Assembly Electrical by 901 D Llc. The National Stock Number assigned to this part is 5915015474577, 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 LOP-CA-121 FN NO 12.