MIL-DTL-38999 Series II connectors, compliant with military specification, offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Operating reliably in extreme conditions, they withstand temperatures ranging from -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, these connectors feature durable aluminum shells with options for RoHS-compliant finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections with gold-plated pins for optimal conductivity. With a mating style of bayonet coupling and a service rating of I, they are ideal for demanding applications that require rugged and reliable performance.