Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AN790-3PM found under Elbow Pipe To Tube by P M Engineering Co Inc. The National Stock Number assigned to this part is 4730002313927, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AN790-3PM.