Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100037 found under Elbow Flange To Tub by American Electric. The National Stock Number assigned to this part is 4730006563022, 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 100037.