MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, along with multiple shell sizes and insert arrangements, these connectors offer flexibility in design. Utilizing M39029 rear release crimp contacts, they ensure reliable and secure connections. Constructed with aluminum shells and offering various plating options, including cadmium-free finishes, these connectors meet stringent quality standards. The MS27474 model, in particular, is a jam nut mounting receptacle with 13 gold-plated contacts (size 22D), suitable for military and industrial applications. With a service rating of M and ingress protection for potting, it guarantees durability and performance in challenging environments. Compliance with MIL-DTL-38999 II specifications ensures reliability and consistency in operation.