The National Instruments NI-9974 Terminal Block Plug is a 36-pin COMBICON male to screw terminal female connector designed to facilitate direct connections to any 36-position spring terminal within CompactDAQ or CompactRIO systems. With its user-friendly spring terminal socket, the NI-9974 simplifies cabling and enhances the reliability and efficiency of complex setups. This terminal block plug is particularly effective for replacing spare parts and streamlining wiring processes, making it a valuable component for instrumentation configurations. Engineered with durability in mind, it features strain relief and operator safety mechanisms to ensure secure connections during installation and operation. The NI-9974 is compatible with a variety of module types, including screw, spring, and D-SUB terminal modules, and is suitable for integration with all NI C Series I/O devices. To complete the configuration with D-SUB modules, a front-mounted terminal block or a cable and terminal block is required. Sold individually, the 36-position spring terminal connector block provides strong connections that are essential for maintaining system stability and longevity.