MIL-DTL-38999 Series II connectors boast up to 128 contacts in a sealed insert, with a wide operating range of -65°C to 200°C. Featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in harsh environments. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for reliable connectivity. Constructed with aluminum shells and multiple plating options, including RoHS compliant finishes, they ensure durability and performance. The 90-degree elbow plug, with contact plating in gold, suits military specifications, making it ideal for demanding applications.