MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts in an insert, ideal for harsh environments. Featuring various mounting options like front wall, rear wall, and box mounts, these connectors ensure secure installations. With a wide operating temperature range of -65°C to 200°C, they are suitable for diverse applications. The connectors, available in aluminum shells, boast multiple plating options including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they guarantee reliable connectivity with 500 mating cycles. RoHS compliant and designed for environment-resistant service, these connectors are a dependable choice for demanding military and industrial environments.