The 983-0SE12-03S6L is a sealed square flange receptacle connector from the DEUTSCH 983 Series, designed for extreme reliability in harsh aerospace, defense, and marine environments. This connector features a shell size 12 with a 12-03 arrangement containing 3 contacts in size 16, and is configured with female (S) contacts and key orientation 6. The receptacle incorporates a sealed design with a square flange mounting style using 4 mounting holes, providing robust environmental protection. With a maximum weight of 39.60 grams and a tightening torque specification of 12 m.N maximum for the panel nut, this connector is engineered for critical applications requiring high reliability and durability in demanding operational conditions.