Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HP790R24-131 found under Pin Spring by Raytheon Company. The National Stock Number assigned to this part is 5315008238743, 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 HP790R24-131.