Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MOD-W-125 found under Tank Hot Dip Indirectly Heated by D C Cooper Corporation The. The National Stock Number assigned to this part is 3426011169585, and the Federal Supply Class is 3426 Metal Finishing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MOD-W-125.