MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they include rear release crimp contacts and come in high-strength aluminum shells with multiple plating options. These connectors, compliant with RoHS standards, are ideal for harsh environments, with options for front and rear wall mount as well as jam nut receptacles. A versatile choice for military and industrial applications, they ensure reliable connectivity with their bayonet coupling and conductive socket contact design, rated for 500 mating cycles.