MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they meet stringent military specifications for performance and durability. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure reliable conductivity in demanding applications. The rugged design, with bayonet coupling and N keyway polarization, guarantees 500 mating cycles, making them ideal for aerospace, defense, and industrial use.
