Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PF50-0-0-12 found under Actuator Electro Mechanical Rota by Barber Colman Co. The National Stock Number assigned to this part is 2910015217763, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PF50-0-0-12.