MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. Compliant with military specification MIL-DTL-38999 II, they come in aluminum shells with options for different plating finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes ranging from 22D to 12. With gold plating for optimal conductivity and a mating style of bayonet coupling, these connectors are suitable for demanding applications requiring reliable performance.