MIL-DTL-38999 Series III Connector, D38999/20FC35SN Female Square Flange Receptacle, No.13 Shell 22 Pin Crimp, Nickel,

Previously known as MIL-C-38999, MIL-DTL-38999 connectors come in four series: Series I, Series II, Series III and Series IV. They are environmentally resistant connectors that use removable crimp contacts and have an operating range of -65 to +200°C.

Series I connectors are bayonet coupled and have high-vibration properties. They are scoop proof and are ideal for heavy wind and moisture environments. They are utilised when a fast disconnect coupling system is required.

Series II connectors are bayonet coupled, are non-scoop proof, and have a low profile, so are used when weight or space is limited, or in low-vibration, high moisture, and strong wind situations.

Series III connectors are coupled by a quick screw Tri start thread, are scoop proof, and are best suited for normal mating and unmating applications and can be used in high temperature, moisture, wind, or vibration environments when used with the correct accessories. Series III connectors are most commonly use in Aerospace designs.

Square Flange Receptacle (D38999/20)

The 38999 specification defines families of shells that intermate to protect from vibration, shock, and moisture. MIL-DTL-38999 connectors attach cables to electronics boxes in various applications, including vehicles, ships, planes, and handheld equipment. They are also available for many non-Harsh Environment Connectors robust applications, such as the transportation and robust equipment markets.

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