207952-1

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D-sub or D-shaped connectors come in a wide variety of types, shapes and sizes, so it can sometimes be difficult to navigate the different parts and accessories available for them. Jackscrews, for example, are a common accessory used in conjunction with D-sub connectors to ensure a secure connection between two devices. They come in several varieties: threaded, non-threaded, wobble, captured, and are often specified by a part number such as 207952-1.

Jackscrews provide an easy, inexpensive way to secure a D-sub connection, designed to help reduce the vibration effect of two connected devices moving against each other. This effect can loosen the connection, leading to an unreliable connection. Jackscrews help to firmly fasten the two devices, therefore guarding against this vibration.

The 207952-1 jackscrew is a non-threaded variety designed for use with D-sub connectors that have a mated 3/8 inch panel mounting point. This jackscrew is 4-40 UNC threaded on one end, and comes with a polyamide insulating washer. It is made from zinc plated steel and corrosion resistant black oxide finish for superior performance in extreme temperatures, and can be used with panel thicknesses between 0.059 inch and 0.118 inch.

The working principle of a jackscrew is straightforward: first, the two components to be connected are lined up, then the jackscrew is inserted through a hole in the panel. Next, a nut is tightened on the opposite side, which pulls the two components together. Finally, the jackscrew is secured in place with a separate self-locking nut. This ensures that the two components are firmly attached and no motion is transmitted between them.

Jackscrews are essential components in ensuring a reliable connection between two devices. They are designed to withstand the wear and tear that comes with frequent use and vibration, and the 207952-1 jackscrew in particular is suitable for a range of D-sub connector sizes and panel thicknesses. Although they may seem like a small component, they are critical for a stable connection between two devices.

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