Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1X4071 found under Pin Straight Headed by Lucas Western Inc. The National Stock Number assigned to this part is 5315004254299, 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 1X4071.