KPT06F12-3S is a circular connector socket featuring a straight plug shell style with grommet seal and strain relief endbell. It accommodates 3 contacts of size 16 with solder cup termination and gold-plated copper alloy contact plating, housed in an aluminium alloy shell with olive drab chromate over cadmium plating. The connector meets MIL-DTL 26482 Series I specifications and provides IP67 protection with water tightness per VG95319 Part 2, operating reliably across -55°C to +125°C with 500 minimum mating cycles. It is rated for 13.0 A at AWG16 contact size and 2300 Vrms test voltage, making it suitable for military, aerospace, and harsh environment applications requiring robust electrical interconnection.