Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS3258 53 found under Pin Cotter by Harvard Industries Inc. The National Stock Number assigned to this part is 5315010366046, 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 AS3258 53.