- New
741-450 is a Bismar brass elbow fitting, model 150-8-6, featuring a 1/2" male flare connection and a 3/8" female pipe connection. Its 90-degree configuration is designed for compatible gas-line installations requiring these specific connection sizes. It provides a practical way to change the direction of a compatible line while connecting a flared fitting to a female pipe-threaded component. Verify the original fitting and connection specifications before installation.