Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 046 3-1 2 IN. X 131 IN found under Nail by Duo Fast Corp. The National Stock Number assigned to this part is 5315013259351, 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 046 3-1 2 IN. X 131 IN.