- New
741-025 is a Bismar swivel nut connector, part number 14FSV-6, designed with two 3/8" female flare connections. This brass fitting is intended for compatible tubing and fluid-system installations where a swivel connection is required. Its 3/8" x 3/8" configuration provides a connection between compatible flare components. Verify the fitting type and dimensions of the existing system before installation to ensure compatibility.