The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in a single insert, designed for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for military and aerospace applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure and reliable connections. With multiple shell sizes and insert arrangements, they accommodate diverse needs, utilizing M39029 rear release crimp contacts. Constructed with aluminum shells and offering various plating options, including RoHS compliant finishes, these connectors guarantee durability and performance. Trusted for their EMI/RFI shielding capabilities and environment-resistant design, they are essential for critical operations in challenging conditions.