Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40121481 found under Filter Element Fluid Pressure by Funk Mfg Co. The National Stock Number assigned to this part is 2520011306530, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40121481.