The 311P407-3S-B-12 is a NASA-qualified, non-magnetic crimp receptacle, part of the AMPLIMITE Series 90 high-density connector line. This connector features a size 3 shell with 44 contact positions and is identified by AMP part number 206064-4. It is constructed with a gold-plated brass shell, an insert compliant with MIL-DTL-24308, and copper alloy retention clips. Designed for high-reliability applications where non-magnetic properties are essential, it is suitable for aerospace and other demanding environments requiring robust, high-density interconnections.