Russell 670870 Brass -10AN Fuel Cell Bulkhead Fuel cell bulkhead measures -10 AN Radiused entry bulkheads provides unrestricted fuel flow out of the fuel cell and into the pump feed line Comes complete with Teflon sealing washer and jam nut Come complete with Teflon sealing washer, and jam nut Includes one Teflon washer and is sold one per package