Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S259I50A1004 found under Pin Quick Release by Airbus Helicopters Inc. The National Stock Number assigned to this part is 5315016469955, 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 S259I50A1004.