Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XB5350A found under Pump Rotary by Marine And Industrial Transmissions Lt. The National Stock Number assigned to this part is 4320000016186, 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 XB5350A.