Val-U-Lok Panel Mount Plug Housings for Crimp Pin Contacts, 4.2mm Pitch – TE Connectivity 1586101-3, These Val-U-Lok panel mount plug housings for crimp pin contacts by TE Connectivity offer a low cost 4.2mm connector system suitable for use in industry, household appliances and consumer products. TE Connectivity 1586101-3 VAL-U-LOK 3P Panel Mount Plug Housing for Crimp 4.2mm