Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B11-03DJC found under Filter Body Water P by Watts Regulator Co. The National Stock Number assigned to this part is 4610015514635, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B11-03DJC.