Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10W032-27D75 found under Washer Flat by Serra Manufacturing Corporation. The National Stock Number assigned to this part is 5310010468501, 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 10W032-27D75.