Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W42K3014K found under Pump Unit Centrifugal by Sears Roebuck And Co. The National Stock Number assigned to this part is 4320004070529, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W42K3014K.