Sea Tech Female Swivel Elbow Connector, your choice 1/2" CTS to 1/2" NPS or 1/2" CTS to 3/4" NPS. Get your boat in ship-shape with top-notch replacement parts for a bottom dollar! Sea Tech connectors utilize a swivel nut with NPS straight threads and a cone seal, allowing you to thread onto NPT, NPS, BSP, and most other threads without tools or sealant. Simply hand-tighten for a zero-leak seal. Manufactured from high-performance thermal plastic. Uses the EPDM ring. Max pressure is 100 PSI. State Model. Order Yours Today! Sea Tech Female Swivel Elbow Connector.