Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 39445 80X31BEM found under Pin Headed Threaded by Dassault Aviation. The National Stock Number assigned to this part is 5306143354938, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 39445 80X31BEM.