M85049/31S28W

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Circular Connectors - Backshells and Cable Clamps

Circular connectors are the most common type of electrical connector used to connect multiple cables or wires together, and can be found in many applications, such as telecom, audio/visual, industrial, automotive, and aerospace. Connectors come in various shapes and sizes, with sizes and designs varying based on the application.

M85049/31S28W are a type of captive screw, hexagonal, metal-backshell and cable clamp driven circular connector designed for use in harsh conditions. These connectors are constructed with aluminum housing and coupling nut made from zinc-plated steel with nylon inserts. The combination of the backshell and cable clamp provides superior resistance to vibration, dust, corrosion, and other environmental hazards.

M85049/31S28W connectors are generally used in aircraft engineering and aerospace applications where robustness and resistance to high temperatures are required. The shielded metal backshell and cable clamps provide superior protection against the radiative environment, and the design is suitable for applications such as robotics and flight control systems where high reliability and airtight operation is needed.

The circular connector consists of a male and female part, which are inserted into each other to form a connection. The male component (or plug) consists of serial contact pins that mate into female insulation displacement contact (IDC) pads or protrusions. The female component (or receptacle) typically consists of a combination of solder tabs and screw locks. This arrangement is designed to provide a secure electrical connection that is resistant to environmental elements such as vibration, shock, dust, and humidity.

When mated, M85049/31S28W provides a secure connection between the male and female components. The tight fit of the connectors ensures that the connection will not be disrupted by vibration or shock, as well as a reliable seal against water and other environmental hazards. Additionally, the hexagonal backshell provides strain relief to protect the connected wires from bending.

The M85049/31S28W connectors are designed according to NASM specification for military aerospace AS85049. This specification covers a wide range of sizes such as 12, 18, 24, and 36 position for power and signal connections. M85049/31S28W connectors are also UL recognized and MIL-STD-202 qualified for shock, vibration, and temperature extremes.

In summary, M85049/31S28W are a type of circular connector that are designed for use in harsh environments. The rugged construction, high performance, and ease of install make them ideal for a wide range of applications, including aircraft engineering, aerospace, and robotics.

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