Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GP15SN12-115-230DC found under Pump Unit Rotary by Milton Roy Co. The National Stock Number assigned to this part is 4320009275912, 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 GP15SN12-115-230DC.