Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 91870-11016 found under Adapter Straight Pipe To Hose by Patria Land Services Oy. The National Stock Number assigned to this part is 4730015221312, 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 91870-11016.