Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DDAV15CN9A2TSR found under Drain Automatic Boat by Bestweld Inc. The National Stock Number assigned to this part is 2040016058515, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DDAV15CN9A2TSR.