Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B18-04AGMB found under Filter Body Water P by Dixon Valve And Coupling Co. The National Stock Number assigned to this part is 4610015818539, 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 B18-04AGMB.