Features: 1. Heavy duty 6262 alloy aluminm construction, superior alloy for corrosion resistance. 2. The surface of all outdoor connectors are chromate conversion coated for added protection. 3. Ultra violet resistant EPDM O-rings. 4. Each connector is individually stamped with model number for easy identification. 5. Contact: brass with gold plated for long life impervious to aging and extreme environmental conditions. 6. Withstands minimum 40 PSIG pressurization. 7. Feed-Thru and Pin Type connectors have external 5.8 - 24 mounting threads.