Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AM1-45 found under Adapter Straight Tube To Boss by Pettibone Llc. The National Stock Number assigned to this part is 4730001863845, 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 AM1-45.