The MIL-DTL-38999 Series II connectors are designed for demanding environments, with up to 128 contacts in an insert and a rugged construction that is environmentally sealed. Operating between -65 °C and 200 °C, these connectors offer reliable performance in extreme temperatures. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Featuring gold-plated removable crimp contacts and anodized aluminum shells with RoHS compliant finishes, these connectors ensure high conductivity and durability. With a mating life of 500 cycles, they are suitable for military, aerospace, and industrial applications requiring secure and long-lasting connections.