Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7798 UR found under Pump Unit Rotary by Edwards Manufacturing A Division Of. The National Stock Number assigned to this part is 4320014257841, 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 7798 UR.