Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12511PC4 found under Shaft Straight by Northern Line Machine Div Of Com. The National Stock Number assigned to this part is 3040006279835, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12511PC4.