Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 312175 found under Pin Straight Headed by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5315005661497, 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 312175.