Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5127912037 found under Drilling Machine Upright by Rockwell International Corp. The National Stock Number assigned to this part is 3413012311175, and the Federal Supply Class is 3413 Drilling And Tapping Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5127912037.