Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4012AND4014AND4063AND4064AND406 found under Test Kit Diesel Fuel Pump by Kiene Diesel Accessories Inc. The National Stock Number assigned to this part is 4910007529694, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4012AND4014AND4063AND4064AND406.