Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12489244 found under Pin Cotter by Grainger Div Of W W Grainger Inc. The National Stock Number assigned to this part is 5315015359455, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12489244.