US Patent 7201404 Union nut with lock member

Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial collar (41) for partially retaining a flanged pipe (140). Lock member (50) slidably engages with body (20) to fully retain and support pipe flange (143).