Parker PD242 Test Port Coupler 1/4 NPTF Steel 6000PSI SAE J1502 Compucheck
The Parker PD242 is a steel diagnostic test port coupler from Parker’s PD Series Quick Coupling Division. It features a 1/4″-18 NPTF female port thread, 1/8″ body size, and is designed to provide fast, tool-free push-to-connect access to hydraulic and pneumatic system test points.