SNB-3743 is a NEMA sheet metal enclosure box designed for industrial and electrical applications requiring secure, weatherproof storage and protection. The unit features a 15.75" × 13.98" external dimension with a 14.00" × 13.57" internal cavity, constructed from 16 gauge cold-rolled steel body and cover with a light gray smooth powder coat finish. It includes quarter-turn keyed latches for secure closure, a 0.38" thick gasket for environmental sealing, and is equipped with M8×1.25 pitch × 16mm weld studs for internal panel mounting. The enclosure comes with a complete wall mounting bracket kit including four M10×15 bolts, sealing washers, flat washers, split lock washers, and hex nuts for robust installation. This configuration makes SNB-3743 ideal for outdoor installations, equipment protection, and applications requiring NEMA-compliant enclosures in harsh environments.