Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HW1005W12 found under Washer Keyway by Baldor Electric Company. The National Stock Number assigned to this part is 5310015683583, 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 HW1005W12.