Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5107-1711-1 found under Extension Rail by Nordam Groupincthe. The National Stock Number assigned to this part is 3990012343389, and the Federal Supply Class is 3990 Miscellaneous Materials Handling Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5107-1711-1.