OPW 633AST-0300 ADAPTER, 3IN X 3IN, TANK INLET SPOUT
The 633AST is an adaptor that can be threaded onto a 297 Spout. The spout and adaptor assembly may then be attached to a 190 Nozzle equipped with a 633BD Kamlok® coupler for open filling of ASTs when a 61ƒSTOP is not installed.