UL94V-0. JST VL series Plug Housings. The VL Series Plug Housings are UL 94V-0 rated with a natural (white) colour. For VL Series Crimp Contact Terminals and Cable Assemblies see stock number ; 512-9235 512-9235 typical. For mating VL Series Wire-to Board Headers see stock number ; 820-1090 820-1090 typical. For mating Wire-to-Wire Socket Housings see stock number ; 502-2746 502-2746 typical. ; 820-1138 820-1138 is a 4 way dual row Plug with Inner-housing Lock ; 512-8428 512-8428 is a 4 way dual row Plug with Outer-housing Lock ; 820-1129 820-1129 is a 4 way single row Plug with Outer-housing Lock