The CN0966A14A04S9-140 from Cinch is CN0966 series, MIL-DTL-26500 series equivalent straight plug with 4 contacts. The CN0966 series self locking plug connectors are qualified to Boeing specifications to satisfy general purpose requirements and unique product challenges for shielding, environmental sealing, fluid resistance and vibration. These high reliability connectors have composite shells which are best for weight sensitive applications. The CN0966 series connectors have well proven electrical capability to withstand extreme shock, exposure and vibration.