Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3253-025 found under Washer Recessed by Woodward Governor Company. The National Stock Number assigned to this part is 5310001109003, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3253-025.