MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options such as front wall, rear wall, jam nut, and box mounts, they cater to diverse applications. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they ensure durability and reliability. With an operating temperature range from -65°C to 200°C, these military-grade connectors are ideal for demanding environments requiring high-performance electrical connections.