Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FZ-1645 found under Adapter Straight Pipe To Tube by Actuant Corporation. The National Stock Number assigned to this part is 4730013101138, 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 FZ-1645.