142-0701-401 is an SMA jack assembly with ear mount bulkhead configuration designed for RF/microwave connector applications. The assembly features a brass body with gold plating (0.001 MN over 0.005 MN nickel over 0.005 MN copper), beryllium copper contacts with gold plating (0.005 MN over 0.005 MN nickel over 0.005 MN copper), and a Teflon insulator. The connector includes a bronze lock washer and brass nut, both gold-plated, and is rated for a minimum contact retention force of 6 lbs axial and 4 in-oz radial torque with a durability of 500 cycles minimum. The assembly operates reliably across a temperature range of -65°C to 165°C and meets MIL-PRF-39012 environmental standards including thermal shock, corrosion resistance, shock, vibration, and moisture resistance testing. This connector is ideal for aerospace, military, and high-reliability RF applications requiring robust bulkhead mounting and superior electrical performance.