Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F52 028 125 0375 found under Pin Spring by Harvard Industries Inc. The National Stock Number assigned to this part is 5315008444794, 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 F52 028 125 0375.