Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K670712-11 found under Adapter Straight Fl by Mercer Products And Manufacturing. The National Stock Number assigned to this part is 4730009312698, 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 K670712-11.