Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WAV 870 E19 found under Pump Rotary by Senner Karl Inc. The National Stock Number assigned to this part is 4320013258186, 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 WAV 870 E19.