749087-4

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D-Sub, D-Shaped Connectors are a type of electrical connector used to connect two or more electrical circuits and create an electrical path between them in order to send signals and power. Accessories for D-Sub, D-Shaped Connectors come in various forms, including Jackscrews, which are used to securely fix the connector to its mounting surface while providing enough strength for electrical contact between the two units.Jackscrews are designed to securely fix the D-Sub connector and ensure reliable electrical contact between the parts. It consists of a thread with a raised head that is inserted into the corresponding mounting holes on the connector, and serves as a fastener and retaining feature. The jackscrews can be used with all types of D-Sub connectors, including those with four and five conductors.The 749087-4 is a type of jackscrew that is used to secure a D-Sub connector to its mounting surface. It features a “caged” mounting hole with a hexagonal-shaped head that is inserted into the corresponding threaded mounting hole of the connector. The head of the jackscrew is designed to bear a centering pressure to ensure a secure fit and provide reliable electrical contact between the parts.The 749087-4 jackscrews are designed for use in applications where the connector is subject to harsh environmental conditions. The solid steel construction of the jackscrew provides corrosion resistance and ample strength to ensure secure retention of the connector. The hexagonal-shaped head and caged mounting hole also help to provide extra rigidity and secure a tight fit, so the connectors won’t easily become loose under vibration or other forces.The 749087-4 is suitable for use in a wide range of applications, including industrial automation, infrastructure, military, aerospace, and other harsh environmental applications. They are also suitable for use with the majority of D-Sub connectors, as they can provide reliable electrical contact and secure retention in a variety of conditions.The working principle of the 749087-4 is simple and straightforward. When the “caged” mounting hole is aligned with the corresponding threaded mounting hole on the connector, the hexagonal head is inserted and it securely clamps the connector to the mounting surface. The secure fit and strong retention provided by the 749087-4 ensures reliable electrical contact between the two parts, so signals can be sent and power can safely transfer between them.In conclusion, the 749087-4 is a type of jackscrew used to securely mount and retain D-Sub connectors. It features a “caged” mounting hole with a hexagonal-shaped head, and is designed to provide maximum clamping force to ensure reliable electrical contact between the two parts. The 749087-4 is suitable for use in a variety of applications, including industrial automation, infrastructure, military, aerospace, and other harsh environmental applications.

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