- New
741-042 is a Bismar swivel nut connector with 1/2" x 1/2" female flare connections. Identified by Bismar as model 14FSV-8, this fitting is designed for compatible flare-type connections where a swivel connection is required. It is commonly used in RV, propane and gas-system applications. Verify the fitting type and connection specifications of the existing installation before replacement to ensure proper compatibility.