Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N5800 found under Key Socket Head Screw by L 3 Communications Eotech Inc. The National Stock Number assigned to this part is 5120015109374, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like N5800.