Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-4IN19 found under Tack by American Steel And Wire Corp. The National Stock Number assigned to this part is 5315007209229, 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 1-4IN19.